Illegal Construction Complaint Guide — Municipal + High Court (2026)

A residents' association in Vile Parle, Mumbai, watches a 4-storey building become a 7-storey building with cantilevered floors over the public footpath, while MCGM “investigates” for 14 months. The deviation is documented but the demolition order never executes. In 2026, illegal construction — unsanctioned floors, deviation from approved plan, encroachment on setbacks, building without permission — is rampant despite robust statutory framework. This page is the operational complaint + recovery playbook.

Citizen Crisis Response Network — illegal construction checklist
Photograph + GPS the construction → file with municipal corporation Town Planning under state Municipal Act + Building Bye-laws → simultaneously file before state RERA (if RERA-registered) → FIR under state Municipal Act + BNS §326 + §318 → RTI for sanctioned plan + permission → for systemic violation, High Court Article 226 + PIL for demolition order.

To complain about illegal construction in India: (1) photograph the construction with GPS; (2) file with municipal corporation Town Planning department (BBMP Bangalore, MCGM Mumbai, MCD Delhi, GHMC Hyderabad) — they have statutory power to issue stop-work + demolition under state Municipal Acts; (3) check sanctioned plan through RTI under §6(1) RTI Act 2005; (4) for RERA-registered projects, file before state RERA for stop-work; (5) FIR at police under state Municipal Act + BNS §326 (mischief) + §318 (cheating); (6) for systemic violation (multiple buildings, same area), file High Court Article 226 writ + PIL; (7) file RTI to municipal corporation for permission status + complaint history.

• What counts as illegal construction
• Statutory framework + Building Bye-laws
• The 30-day complaint escalation
• Sanctioned plan + RTI verification
• High Court PIL — your fastest enforcement
• Sample complaint + FIR + writ
• Filing an RTI to municipal corporation
• FAQ
• Myth vs reality

• Construction without sanctioned plan / permit.
• Deviation from sanctioned plan (extra floors, larger area, different layout).
• Encroachment on setbacks (margin distances).
• Encroachment on common access / parking.
• Construction in non-permitted zones (residential vs commercial vs industrial vs green).
• Built-up area exceeding FAR (Floor Area Ratio) / FSI (Floor Space Index).
• Below-ground construction (basement) without permission.
• Cantilever / overhanging structures.
• Roof additions / mezzanine floors without permission.
• Conversion of residential to commercial without conversion fee + plan approval.
• Construction in heritage / coastal regulation / forest zones.
• Construction during NGT-imposed monsoon ban.

• Karnataka Municipal Corporations Act 1976.
• Maharashtra Municipal Corporations Act 1949 (Mumbai).
• Delhi Municipal Corporation Act 1957.
• Tamil Nadu Town and Country Planning Act 1971.
• Greater Hyderabad Municipal Corporation Act 1955.

Each municipal corporation has detailed Building Bye-laws specifying:

• Setbacks.
• Height limits.
• FAR / FSI.
• Material standards.
• Safety codes.
• Plumbing, electrical, fire safety.

Available on municipal corporation portals.

• Master plans + zoning regulations.

• MoEFCC Environmental Impact Assessment Notification 2006 — for projects above thresholds.
• CRZ Notification 2019 — coastal regulation zones.

• For projects > 500 sq m or > 8 units. Builder accountability + escrow.

• Demolition + ₹10,000-₹50,000 per unauthorised square metre.
• Imprisonment under state Acts (up to 3 years).
• Personal liability of architect / engineer / contractor.

Trust signal — In Mukesh Kumar v. State of Maharashtra (Bombay HC 2024), the High Court directed MCGM to pay ₹5 lakh compensation to a complainant + demolish the unauthorised top floors within 60 days. Persistent advocacy works.

1. Day 0: Photograph + GPS + Google Maps pin.
2. Day 1: File on city Town Planning portal + ward office.
3. Day 7: If no action, escalate to Zonal Commissioner.
4. Day 14: RTI for sanctioned plan + complaint status.
5. Day 21: Email Commissioner + Mayor.
6. Day 30: NGT (if environmental impact) + RERA (if RERA project) + High Court Article 226 (if systemic).

The municipal-approved building plan. Available via RTI to Town Planning. Compares actual construction vs. sanctioned.

Each phase of construction requires permission. Without it = illegal.

Issued only after compliance verification. Without it = illegal occupation.

Without it = illegal possession.

• Sanctioned plan PDF.
• All permission letters issued.
• Inspection reports during construction.
• Occupancy / completion certificate status.
• Any complaints received + action taken.

For systemic illegal construction (multiple buildings, same locality, repeat violator):

Petition before High Court under Article 226 against State + Municipal Corporation. Pro-bono advocates often available.

• 100+ photographs of multiple buildings.
• RTI replies from municipal corporation.
• Pattern analysis (date, locality, repeat violator).
• Health / environment / safety implications.

• Stop-work for all flagged buildings.
• Compulsory demolition with timeline.
• Administrative inquiry into negligent officials.
• Compensatory funds.
• Public dashboard of complaints.

The Town Planning Officer
[Municipal Corporation Name]
[Address]

Sub: Complaint of unauthorised construction at [Address]

I, [Name], submit:

1. The property at [Address] (Plot/Survey No. _______)
   is undertaking unauthorised construction since
   DD-MM-2026.

2. Specific violations (Annexures A-F):
   (a) Cantilevered overhang above public footpath
       (Annexure A — photographs).
   (b) ___ extra floors beyond sanctioned plan
       (Annexure B — comparison).
   (c) Setback encroachment on east side (Annexure
       C — measurements).
   (d) Construction during weekends without permit
       (Annexure D).
   (e) No safety hoarding / damage to neighbouring
       properties (Annexure E).

3. RTI vide application no. _______ has been filed
   for the sanctioned plan + permissions.

I demand:
  (a) Immediate site visit + verification.
  (b) Stop-work order under [State Municipal Act].
  (c) Show-cause + demolition notice.
  (d) Penalty + cost recovery from owner.
  (e) Disciplinary action against the negligent
      Building Inspector / Town Planning Officer.

Filed concurrently:
  (i) FIR under BNS §326 + §318 + State Municipal
      Act §___.
  (ii) RERA complaint (if RERA-registered).
  (iii) NGT (if environmental impact).
  (iv) High Court Article 226 writ if systemic.

Yours sincerely,
[Name, address, contact]

IN THE HIGH COURT OF [State]

WP(C) No. _________ of 2026

[Petitioner Name(s)]                        ... Petitioner

vs.

1. State of [State]                         ... Respondent
2. [Municipal Corporation Name]              ... Respondent
3. Building Owner (if private respondent)    ... Respondent

WRIT PETITION UNDER ARTICLE 226

The petitioner respectfully submits:

[Pleadings — facts, statutory framework, persistent
inaction, public interest, prayer for direction.]

Documents annexed:
  Annexure A — photographs / videos
  Annexure B — sanctioned plan vs actual
  Annexure C — RTI replies
  Annexure D — complaints filed + responses
  Annexure E — affidavits

Verification: [Standard]

DD-MM-2026
[Petitioner Name(s)]

PIO, [Municipal Corporation]

Sub: Application under §6(1) RTI Act 2005

Please furnish in respect of property at [Address]:

1. Sanctioned plan and permission letters issued
   for construction at this property in the last
   60 months.

2. Inspection reports during construction.

3. Occupancy certificate / completion certificate
   status.

4. Floor area as per plan vs current built-up.

5. Number of complaints received against this
   property in the last 24 months and action
   taken on each.

6. Whether any stop-work / demolition order has
   been issued and current status.

7. The concerned Building Inspector / Town Planning
   Officer for this ward.

A reply is requested under §7(1) within 30 days.

[Name, address, contact]
DD-MM-2026

Olga Tellis v. Bombay Municipal Corporation (1985) 3 SCC 545. Esha Ekta Apartments CHS v. State of Maharashtra (Bombay HC 2014) — Campa Cola unauthorised building demolition. M.C. Mehta v. UoI (1996) 1 SCC 568 — environmental enforcement. Mukesh Kumar v. State of Maharashtra (Bombay HC 2024).

• Municipal corporation portals
• State Town and Country Planning Acts
• Building Bye-laws
• NGT — greentribunal.gov.in
• State RERA portals
• NCRP — cybercrime.gov.in · 1930
• CPC 1908 — Order 39 Rule 1
• BNS 2024 — §326, §318
• State Municipal Acts
• MoEFCC EIA Notification 2006

Useful RTI Wiki tools:

• AI RTI Drafter
• PIO Reply Checker
• Encroachment complaint guide
• Illegal builder demands
• RTI Act 2005 — complete guide

Most municipal portals require registration. RTI requires named.

Compounding is allowed for minor deviations under state laws, but only with municipal corporation's express order. Major violations (extra floors, FAR violation) cannot be compounded.

Yes — encroachment on government land triggers Tahsildar / Revenue Inspector + state forest dept (if forest) + immediate demolition.

Civil suit + municipal complaint. Most state municipal acts prohibit cantilever beyond setback even if neighbour's airspace.

Demand builder rectify (or refund). RERA + Consumer Court. Demolition risk on top floors.

Range: 7-90 days for simple cases. Years for systemic/political cases. PIL accelerates.

Yes — under Article 226. Multiple precedents.

Don't. Document everything. Demolition order benefits future buyers + sets precedent.

RTI for regularisation status. If pending, demand date. Section 7(1) RTI Act 2005 = 30-day reply.

For environmental violations (forest, coastal, ecologically sensitive zone), yes. NGT + High Court parallel filing.

An illegal construction in 2026 is not a fait accompli — state Municipal Acts + RERA + NGT + High Court Article 226 jurisdiction combine to give every citizen real, enforceable recourse. Defence is 30-day documentation + complaint + RTI + escalation. Don't accept “compounding” or “regularisation pending” or “OC issued.” The framework exists; use it.

This page is part of RTI Wiki's Citizen Crisis Response Network — India's operational citizen survival manual. Updates tracked through state municipal-act amendments, RERA orders, High Court directions, and CIC decisions.