LESSON 11.1 — Regional Planning Concepts
A. Standard Map
| Topic | Governing Source / Instrument | Exam Focus |
|---|---|---|
| Planning region definition | URDPFI 2015, Para 2.2 | Functional logic ≠ administrative boundary |
| Region typology (Administrative / Investment / Special Purpose) | URDPFI 2015, Chapter 2 | Match type → delineation basis → Indian example |
| FEAT framework | URDPFI 2015 (planning practice) | Four factors: Functional, Economic, Administrative, Topographic |
| NCR governance | NCRPB Act 1985; Regional Plan 2041 | Multi-state body; planning ≠ implementation authority |
| Metropolitan Planning Committee | Constitution of India, Article 243ZE (74th CAA, 1992) | MPC = draft plan for metro area; NOT project execution |
| River basin planning | National Water Policy 2012; State Irrigation Acts | Watershed = planning unit; crosses state/district lines |
| Formal vs functional region | Planning geography theory; URDPFI 2015 | Uniform criteria (formal) vs nodal flows (functional) |
| Plan hierarchy | URDPFI 2015, Chapter 4 | Regional Plan (20 yr) above Master Plan (10 yr) |
Exam Anchor: Every question about “what type of region is X” requires identifying the delineation logic first — uniform attribute or nodal flow — before naming the type.
B. Mechanism in Words
How regional planning logic operates — from problem identification to governance:
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Identify the functional spillover: Urban growth, commuter flows, shared watersheds, or industrial corridors cross existing administrative boundaries. A single municipal or district authority cannot address the full spatial extent of the problem.
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Define the planning region: Apply FEAT — map functional linkages (commuter sheds, service catchments), economic interdependencies (supply chains, employment catchments), administrative jurisdictions (who holds authority), and topographic constraints (watersheds, ridgelines, coastlines). The region boundary follows functional logic, not the nearest convenient administrative line.
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Classify the region type: Match the dominant delineation logic to one of the three URDPFI types — Administrative (population/jurisdiction-based), Investment (economic corridor), or Special Purpose (ecological/legislative mandate).
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Assign a statutory instrument: Each region type requires a matching instrument — NCRPB Act for NCR, State TCP Act for metropolitan regions, SEZ Act for investment regions, CRZ Notification or ESZ orders for special purpose regions. The instrument defines who plans, at what scale, and with what authority.
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Prepare the Regional Plan: The Regional Plan (20-year horizon, statutory under State TCP Act) establishes growth zones, conservation areas, regional corridors, and settlement hierarchy. All lower-tier plans (Master Plans, Zonal Plans) must conform to it.
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Manage spillover and coordination: Metropolitan regions require corridor identification, trunk infrastructure allocation, and growth management to prevent uncontrolled peri-urban sprawl. River basin regions require upstream–downstream coordination to prevent use conflicts and environmental degradation.
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Resolve the governance gap: Indian regional planning’s core structural weakness — planning authority is often vested in a regional body (NCRPB, MMRDA) but implementation authority remains with individual state/city agencies. The gap between planning intent and on-ground execution is the recurring failure mode.
Source: URDPFI 2015, Chapter 2; NCRPB Act 1985; 74th CAA Article 243ZE.
C. Core Concept Explanations
C1. Region Types — Nodal/Functional vs Formal/Uniform; Planning vs Administrative vs Statistical
A formal (uniform) region is defined by a consistent attribute shared across its entire spatial extent — a zone with similar soil type, a linguistic area, a uniform climatic belt. Boundaries are drawn where the defining attribute changes. Examples: an agro-climatic zone, a tribal sub-plan area, a seismically uniform zone.
A functional (nodal) region is defined by flows and interactions converging on a node — commuter movements, retail catchments, service dependencies. Boundaries are drawn where interactions with the central node drop below a threshold. Examples: a metropolitan commuter shed, a market area in central place theory, an airport catchment.
The planning significance: most Indian planning regions are functional, not formal. NCR exists because of flows toward Delhi, not because all 55,083 sq.km share a uniform attribute. This distinction is directly tested.
A third classification axis distinguishes regions by purpose:
| Region Purpose | Definition | Key Characteristic | Indian Example |
|---|---|---|---|
| Planning region | Spatial unit for plan-making; may span jurisdictions | Defined by functional interdependence (URDPFI 2015) | NCR, MMR, Bengaluru Metropolitan Region |
| Administrative region | Spatial unit for governance and service delivery | Defined by legal notification; fixed boundaries | District, Taluka, Municipal Corporation area |
| Statistical region | Spatial unit for data collection and enumeration | Defined by Census; no planning or governance function | Urban Agglomeration (UA), Census Town |
Exam Anchor: NCR is a planning region AND an administrative region (NCRPB Act makes it statutory). An Urban Agglomeration is only a statistical region — no plan-making authority derives from UA status alone.
C2. Regional Delineation — Demographic, Economic, Functional, Administrative Methods
Delineation is the process of drawing the boundary of a planning region. Four methods are used, each prioritising a different type of evidence:
| Delineation Method | Basis | Data Used | Typical Region Type | Limitation |
|---|---|---|---|---|
| Demographic | Population distribution, density gradients, settlement patterns | Census population data, density maps, settlement hierarchy | Administrative / planning regions | Population is an outcome of growth, not its cause; boundaries may lag actual urbanisation |
| Economic | Employment catchments, market areas, industrial supply chains, freight flows | Household Travel Surveys, industry census, freight origin–destination data | Investment regions, functional economic areas | Data collection is expensive; supply chains are global, not easily bounded |
| Functional | Commuter flows, service use patterns, nodal interactions (flows to a dominant centre) | Commuter surveys, mobile phone data, hospital/school catchment studies | Metropolitan regions, market areas | Flows change over time; boundaries are fuzzy, not sharp |
| Administrative | Existing district/state/ULB boundaries; legislative convenience | State TCP Acts, municipal notifications, NCRPB Act | Administrative regions | Boundaries reflect historical governance, not functional reality; the most common cause of regional planning failure |
In practice, Indian regional delineation uses a combination of all four methods, with administrative boundaries as the practical constraint on implementation authority even when functional delineation points to a larger area.
Source: URDPFI 2015, Para 2.2; NCRPB Act 1985, Section 2; Census of India 2011 (UA methodology).
C3. Metropolitan Region Planning — Growth Management, Corridor Identification, Spillover Control
Metropolitan region planning addresses the problem that arises when a city’s functional area outgrows its administrative boundary. The planning challenges are distinct from intra-urban planning:
Growth management at the regional scale involves designating growth corridors (areas where urban development is directed) and conservation zones (areas where development is restricted — green belts, eco-sensitive zones, agricultural land banks). Regional Plans under State TCP Acts carry this designation function. Without it, development spills randomly into peri-urban areas, consuming agricultural land and generating long commutes.
Corridor identification maps the transport and economic linkages that shape where growth is most likely to occur. In NCR, four corridors — Delhi–Gurgaon, Delhi–Noida, Delhi–Faridabad, Delhi–Ghaziabad — receive the highest development pressure. The Regional Plan 2041 designates specific land use along these corridors to channel rather than resist this pressure.
Spillover control addresses negative externalities that cross the metropolitan boundary — air pollution, groundwater extraction, solid waste disposal, and industrial effluent discharge. Since no single authority controls the full metropolitan region, coordination mechanisms (inter-state boards, joint committees, NCRPB subcommittees) are required. The institutional gap between planning authority and implementation authority is the principal structural failure.
Key instruments for metropolitan region planning in India:
| Instrument | Scale | Function |
|---|---|---|
| Regional Plan (under State TCP Act) | Metropolitan region | Land use designation, growth corridor identification, conservation zones |
| Metropolitan Planning Committee (Article 243ZE) | Metro area (>10 lakh population) | Draft development plan coordination; integrates multiple ULBs and panchayats |
| Development Authority | Sub-regional | Implements specific areas of the Regional Plan (DDA in Delhi, CIDCO in MMR) |
| Special Purpose Vehicle (SPV) | Project/corridor | Executes specific infrastructure projects within the metropolitan region |
Source: 74th CAA, Article 243ZE; URDPFI 2015; NCRPB Regional Plan 2041.
C4. River Basin Planning — Integrated Watershed; Upstream–Downstream Coordination
A river basin is a special-purpose planning region defined entirely by hydrological boundaries — the watershed or catchment area that drains to a common river system. River basin planning is structurally different from metropolitan region planning:
- Delineation basis: Topographic/hydrological, not administrative or functional. The basin boundary follows ridge lines that determine drainage direction. No administrative convenience can move this boundary.
- Cross-boundary nature: Major Indian river basins (Ganga, Brahmaputra, Krishna, Cauvery) cross multiple state boundaries. Inter-state water disputes are a direct consequence of the mismatch between hydrological planning units and administrative governance units.
- Upstream–downstream interdependence: Decisions made upstream (dam construction, deforestation, agricultural water extraction) directly affect downstream communities through flood risk, drought intensity, and water quality. This physical interdependence cannot be addressed by any single state or municipality — it requires a basin-level authority.
- Integrated watershed management: The approach coordinates land use (agricultural, forest, urban), water allocation (irrigation, industrial, domestic), and ecological functions (groundwater recharge, wetland maintenance) across the full basin. National Water Policy 2012 mandates integrated basin planning as the framework for all water resource development.
| River Basin Planning Element | Planning Challenge | Indian Instrument |
|---|---|---|
| Water allocation | Upstream states extract before downstream states receive | Inter-State River Water Disputes Act 1956; Tribunals (Cauvery, Krishna, Mahanadi) |
| Flood management | Upstream land use change increases downstream flood risk | CWC (Central Water Commission) basin plans; State Flood Control Boards |
| Groundwater recharge | Basin-wide aquifer depletion from individual extractions | CGWB (Central Ground Water Board) basin assessments; State GW Acts |
| Ecological flows | Minimum flows required for downstream ecology | National Water Policy 2012 (environmental flows mandate) |
Source: National Water Policy 2012, MoWR; Inter-State River Water Disputes Act 1956; Central Water Commission basin management guidelines.
C5. NCR Case — NCRPB Act 1985; Multi-State Governance; Regional Plan 2041
The National Capital Region (NCR) is India’s most significant and most studied metropolitan planning region — the national benchmark for multi-state regional governance.
Statutory basis and area:
| Parameter | Detail |
|---|---|
| Governing legislation | National Capital Region Planning Board Act, 1985 |
| Planning body | National Capital Region Planning Board (NCRPB), chaired by Union Home Minister |
| Total area | 55,083 sq.km |
| States covered | Delhi (full UT) + Haryana (13 districts) + Uttar Pradesh (7 districts) + Rajasthan (2 districts) |
| Current plan | Regional Plan 2041 (replacing Regional Plan 2021) |
| Nature of planning authority | NCRPB prepares the Regional Plan; implementation is the responsibility of each constituent state — NCRPB has no direct implementation authority |
Multi-state governance structure:
NCRPB is a statutory body under Central legislation. Its Board includes the Chief Ministers of all four constituent states/UT and Union Ministers. It prepares the Regional Plan, which is binding on all constituent states for purposes of land use and development control. However, each state executes projects under its own budget, creates its own development authorities (Haryana Urban Development Authority, Greater Noida Industrial Development Authority, etc.), and has its own TCP Act. The result is a planning body with formal authority but limited enforcement capacity — the central governance tension of Indian regional planning.
Regional Plan 2041 — awareness-level content:
– Promotes polycentric development: designates counter-magnet cities (Panipat, Alwar, Meerut) to reduce Delhi’s primacy
– Identifies Priority Towns and Sub-Regional Centres for planned growth
– Designates Natural Conservation Zone (NCZ) around the Aravalli ridge
– Mandates Transit-Oriented Development along regional rapid transit corridors (RRTS)
– Sets regional-level land use: No Development Zone, agricultural preservation belts, urban growth areas
Exam-relevant distinctions:
– NCRPB ≠ DDA. DDA (Delhi Development Authority) plans and develops land only within Delhi UT. NCRPB plans the full 55,083 sq.km NCR across four states.
– NCR is a planning region with both functional (commuter flows, economic linkages) and administrative (statutory NCRPB Act) delineation — it is both a functional AND an administrative region.
– Regional Plan 2041 is the operative plan as of 2025. Regional Plan 2021 preceded it.
Source: NCRPB Act 1985; NCRPB Regional Plan 2041; MoHUA.
D. Worked Numericals and Parameter Tables
No NAT is expected for Lesson 11.1. The following parameter and classification tables are the examinable content for this lesson.
Table D1. Region-Type Comparison (4 columns)
| Region Type | Delineation Basis | Planning Instrument | Indian Example |
|---|---|---|---|
| Administrative region | District/metropolitan boundaries; population-based jurisdiction | 73rd and 74th CAA; State Municipal Acts; State TCP Acts | NCR (NCRPB Act 1985), MMR (MRTP Act 1966), CMA (TN TCP Act 1971) |
| Investment region | Economic activity corridors; industrial clusters; freight and logistics zones | SEZ Act 2005; DPIIT notifications; State Industrial Policy | DMIC (Delhi–Mumbai Industrial Corridor), CBIC, PCPIR |
| Special Purpose region | Ecological sensitivity; heritage protection; security mandate; specific legislative trigger | CRZ Notification 2019; EPA 1986 ESZ orders; AMASR Act 2010; Wildlife Protection Act 1972 | Western Ghats ESA, CRZ zones, ASI monument zones |
| Functional (nodal) region | Commuter flows; service catchments; nodal interactions | Regional Plan under State TCP Act; MPC (Art. 243ZE) | Delhi NCR commuter shed; Mumbai MMR hinterland |
| Formal (uniform) region | Uniform attribute: climate, soil, linguistic/cultural zone | Agro-climatic zone notifications; Tribal Sub-Plan area orders | Agro-climatic Planning Zones (NITI Aayog); Scheduled Area notifications |
| River basin region | Hydrological watershed boundary | National Water Policy 2012; Inter-State River Water Disputes Act 1956; CWC basin plans | Ganga basin (NMCG); Cauvery basin (Tribunal); Krishna basin (Tribunal) |
| Statistical region | Census enumeration criteria only; no governance function | Census of India 2011 | Urban Agglomeration (475 UAs), Census Town (3,894) |
Table D2. Major Metropolitan Planning Regions — Key Parameters
| Metropolitan Region | Area (approx.) | Planning Body | Governing Act |
|---|---|---|---|
| NCR | 55,083 sq.km | NCRPB | NCRPB Act 1985 |
| MMR | 4,355 sq.km | MMRDA | MRTP Act 1966 |
| CMA | 1,189 sq.km | CMDA | TN TCP Act 1971 |
| Bengaluru Metro Region | 8,005 sq.km | BDA + BMRDA | Karnataka TCP Act 1961 |
| Hyderabad Metro Region | 7,257 sq.km | HMDA | HMDA Act 2008 |
Table D3. FEAT Framework — Diagnostic Tool
| Factor | What It Measures | Governance Implication |
|---|---|---|
| F — Functional | Commuter flows, service catchments | If high: functional region boundary needed |
| E — Economic | Employment catchments, supply chains | If high: investment region or economic planning zone |
| A — Administrative | Governance structures, implementation authority | If low despite high F and E: governance deficit — planning problem real but institution missing |
| T — Topographic | Natural boundaries: watersheds, ridgelines, coastlines | If dominant: river basin or special purpose region boundary |
E. Common Confusions
- Functional region vs administrative region: A functional region is defined by flows (commuters, goods, services) to a dominant node. An administrative region is defined by legal notification and governance jurisdiction. NCR is both — created by NCRPB Act (administrative) to plan the functional commuter shed around Delhi.
- NCRPB vs DDA: NCRPB plans the full 55,083 sq.km NCR (4 states); DDA plans and develops land only within Delhi UT (~1,484 sq.km). These are entirely different bodies with different territorial mandates.
- Regional Plan vs Master Plan: Regional Plan (20-year, metropolitan or district scale) sets the ceiling. Master Plan (10-year, city scale) must conform to the Regional Plan. A Master Plan provision cannot override a Regional Plan designation.
- MPC as executor: Article 243ZE mandates MPC to prepare a draft development plan for the metro area — not to execute projects. Implementation remains with DAs and ULBs. MPC is an integration body.
- River basin = state boundary: River basins cross state boundaries by physical necessity. The Cauvery basin spans Karnataka and Tamil Nadu; the Ganga basin spans 11 states. Treating a river basin as coterminous with a single state is a fundamental planning error.
- Urban Agglomeration = planning body: UA is a Census statistical category. It has no plan-making authority, no planning body, and no governance structure. UA status does not automatically trigger a Metropolitan Planning Committee — that requires population >10 lakh and a State Government notification.
F. Exam Traps
| Trap | Incorrect Belief | Correct Principle |
|---|---|---|
| NCR = Delhi Municipal Area | NCR is just the Delhi municipal boundary | NCR spans 55,083 sq.km across 4 states; Delhi UT is one component of NCR |
| Functional region = administrative region | Any region with a planning body is “functional” | Functional = defined by flows/interactions; administrative = defined by legal jurisdiction; the two can overlap but are conceptually distinct |
| NCRPB implements the Regional Plan | NCRPB has implementation authority across all constituent states | NCRPB prepares and monitors the plan; implementation is by each state’s own agencies — this is the core governance gap |
| River basin = state territory | A river basin is confined to one state’s administrative area | River basins are hydrological units defined by watershed boundaries; they cross state lines by physical necessity |
| Metropolitan Planning Committee = project execution | MPC builds infrastructure in metro areas | MPC’s constitutional mandate (Art. 243ZE) is to prepare the draft development plan — coordination, not execution |
| Urban Agglomeration = planning region | UA status confers planning authority on a body | UA is a Census statistical category only; no planning body, no statutory plan derives from UA designation alone |
| Regional Plan is non-statutory | Regional Plans are advisory like Perspective Plans | Regional Plan is statutory under State TCP Acts; Master Plans must conform to it; it is legally enforceable |
| Formal and functional region are interchangeable | These are different labels for the same concept | Formal = uniform attribute across area; functional = nodal flows to a centre; the distinction is foundational to regional delineation theory |
| Investment region = entire industrial state | DMIC or a PCPIR covers the whole state’s industrial area | Investment regions are specific corridor/cluster areas defined by DPIIT notification; they are spatially bounded, not state-wide |
| Delineation method is always administrative | Planners use administrative boundaries as the only method | Delineation uses demographic, economic, functional, and administrative methods; administrative boundaries are the practical constraint on implementation, not the ideal delineation basis |
G. Answer-Writing Cues
Template 1 — MCQ: Identifying region type from a description
“The question gives a region description. Step 1: Identify the delineation logic (flows → functional; uniform attribute → formal; economic corridor → investment; ecological trigger → special purpose; hydrological boundary → river basin). Step 2: Match to URDPFI 2015 type or planning geography category. Step 3: Confirm with one Indian example. Never answer region-type questions by naming the planning body alone.”
Template 2 — MSQ: Multiple correct characteristics of a named region
“For NCR: (a) statutory basis = NCRPB Act 1985 ✓, (b) area = 55,083 sq.km ✓, (c) spans 4 states ✓, (d) planning body = NCRPB ✓, (e) operative plan = Regional Plan 2041 ✓. Reject options that assign implementation authority to NCRPB or conflate NCR with Delhi UT.”
Template 3 — Short-answer / MSQ: Delineation methods
“List four methods: (1) demographic — population distribution and density gradients; (2) economic — employment catchments and supply chains; (3) functional — commuter flows and nodal interactions; (4) administrative — existing governance boundaries. State that functional delineation is the URDPFI 2015 preferred basis; administrative boundaries are the practical implementation constraint.”
H. PYQ Linkage Note
| Topic | Exam Appearance | Pattern |
|---|---|---|
| NCR — area, governing act, states covered | GATE AR 2019, 2022 (MCQ) | Data recall: 55,083 sq.km; NCRPB Act 1985; 4 states |
| Functional vs administrative region | GATE AR 2020, 2023 (MCQ / MSQ) | Definition match; example identification |
| MPC constitutional basis | GATE AR 2021 (MCQ) | Match: Article 243ZE; 74th CAA; metro area planning |
| River basin as cross-boundary unit | GATE AR 2018 (MCQ) | Principle question: basin crosses state lines |
| Regional Plan hierarchy | GATE AR multiple years (MCQ) | Sequence: Regional Plan (20yr) > Master Plan (10yr) |
| URDPFI region types | GATE AR 2024 (MSQ) | Match type to delineation basis; investment vs special purpose |
| Formal vs functional region | State PSC planning papers (MCQ) | Theory definition; applied to given city example |
| NCRPB governance gap | GATE AR 2022 (MSQ) | Planning authority ≠ implementation authority |
I. Mini-Check — Lesson 11.1
Q1. (MSQ — Region-Type Matching) Which of the following statements correctly match a region type to its delineation basis? Select ALL that apply.
(A) A Special Purpose Region is delineated by ecological sensitivity or a specific legislative mandate such as the CRZ Notification 2019.
(B) An Administrative Region is defined by commuter flows and nodal interactions converging on a dominant urban centre.
(C) An Investment Region is delineated by economic activity corridors such as industrial clusters and freight zones, governed by instruments like the SEZ Act 2005.
(D) A Formal (Uniform) Region is defined by a consistent attribute shared across its spatial extent, such as a shared agro-climatic zone.
(E) A Functional (Nodal) Region is defined by the physical watershed boundary that determines drainage direction.
Correct answers: A, C, D
- A: Correct — Special Purpose Region delineation basis per URDPFI 2015.
- B: Incorrect — commuter flows and nodal interactions define a Functional region, not an Administrative region.
- C: Correct — Investment Region definition; SEZ Act 2005 is the correct instrument.
- D: Correct — Formal region definition; uniform attribute across area.
- E: Incorrect — watershed boundary defines a River Basin region, not a Functional (Nodal) region.
Q2. (MCQ) The National Capital Region Planning Board (NCRPB) was constituted under which legislation, and what is the approximate total area of the NCR?
(A) 74th Constitutional Amendment Act, 1992 — 1,484 sq.km
(B) NCRPB Act, 1985 — 55,083 sq.km
(C) NCRPB Act, 1985 — 4,355 sq.km
(D) National Urban Policy, 2007 — 55,083 sq.km
Correct answer: B
NCRPB was constituted under the NCRPB Act, 1985. Total NCR area is 55,083 sq.km across Delhi, Haryana, Uttar Pradesh, and Rajasthan. Option A gives Delhi UT area (~1,484 sq.km); option C gives MMR area; option D cites a non-existent instrument.
Q3. (MCQ) According to URDPFI 2015 planning principles, which of the following is the most appropriate basis for delineating a planning region?
(A) The boundaries of the largest municipal corporation within the urban agglomeration
(B) The boundaries of the Census-defined Urban Agglomeration as declared in the most recent Census
(C) The territory within which a planning decision in one location will materially affect conditions elsewhere, defined by functional interdependence
(D) The district boundaries as notified under the State Municipal Acts
Correct answer: C
URDPFI 2015, Para 2.2 states that functional logic — not administrative boundary — should determine the planning region. Options A, B, and D are all administrative/statistical delineation methods, which URDPFI explicitly identifies as insufficient as the sole basis.
Q4. (MCQ) A river basin is classified as which type of planning region, and what is its primary delineation criterion?
(A) Administrative region; delineated by state government notification under the relevant State TCP Act
(B) Functional (nodal) region; delineated by commuter flows converging on the largest city in the basin
(C) Special Purpose region with hydrological delineation; boundary follows the watershed divide that determines drainage direction
(D) Investment region; delineated by the economic output of irrigation and hydroelectric projects within the basin
Correct answer: C
A river basin is a Special Purpose region type (or hydrological planning region) whose boundary is physically determined by the watershed — the topographic ridge that separates drainage toward the river from drainage away from it. It is not defined by flows to a city node, by state notification, or by economic output.
Q5. (MCQ) Under the Constitution of India, which Article mandates the formation of a Metropolitan Planning Committee, and what is its primary constitutional function?
(A) Article 243ZD — to consolidate development plans of all rural and urban local bodies within a district
(B) Article 243ZE — to prepare a draft development plan for the entire metropolitan area
(C) Article 243ZE — to execute infrastructure projects within the metropolitan region on behalf of constituent municipalities
(D) Article 243W — to regulate land use and building permissions within metropolitan areas
Correct answer: B
Article 243ZE (74th Constitutional Amendment Act, 1992) mandates the Metropolitan Planning Committee to prepare a draft development plan for the metropolitan area — it is an integration and planning body, not a project execution body. Article 243ZD mandates the District Planning Committee (DPC), not MPC. Article 243W deals with powers of municipalities, not MPC.