Priority 01
Third Master Plan
Guiding sustainable, well-planned development across the region.
CMDA·Government of Tamil Nadu
Planning a greater Chennai, region by region.
The Chennai Metropolitan Development Authority plans, develops and regulates the orderly growth of the Chennai Metropolitan Area — today spanning 5,904 sq.km across five districts.
Focus areas
What CMDA is doing today
Four priorities shaping orderly growth across the expanded Chennai Metropolitan Area.
01
02
GIS Enabled Planning
Data-driven decisions using advanced GIS mapping and analytics.
03
Sustainable Growth
Promoting green spaces, environment protection and balanced urban growth.
04
Integrated Infrastructure
Building efficient transport, social and physical infrastructure networks.
Expanded CMA · 5,904 sq.km
Chennai Metropolitan Area — List of Local Bodies
Governance footprint across the expanded metropolitan region — from corporations to panchayat unions.
Local bodies
52
Categories
5
Primary
0
Corporations
02
0
Municipalities
03
0
Special Grade Town Panchayat
04
0
Town Panchayats
05
0
Panchayat Unions
CHENNAI CITY
Chennai Metropolitan Area
The economic and cultural heart of Tamil Nadu, Chennai drives growth through its strategic location, world-class infrastructure, and resilient urban ecosystem.
426 km²
Total Area
1.18 Cr+
Population
15
Zones
Snapshot
About Chennai
Chennai is the capital city of Tamil Nadu and one of India's largest metropolitan regions. It is a major hub for manufacturing, automobile, IT, healthcare, education, and logistics.
Newsroom
Updates & events
Latest announcements, resources, and moments from across CMDA.
02The Hon'ble Minister for HR&CE and Chairman of CMDA inaugurated the KCBT mobile application on 21st January 2025. The public can now download the KCBT mobile app through the Google Play Store or Apple App Store for easy access and use.
03eOffice - File Management System - User ManualUser ManualHandbook on eOffice ImplementationeOffice Self Learning Videos
06Useful information for Planners and EngineersHand book on Land AdministrationRevenue Manual
Gallery
Recent events
Inspection of the New Chengalpattu Bus Terminus, constructed by CMDA at a cost of ₹131 crore, was carried out on 24.06.2026
Appointment orders were distributed to Assistant Engineers and Junior Planners selected through TNPSC for service in CMDA on 24.06.2026
Consultation meeting held with representatives of building associations on 06.06.2026 to strengthen the Online Building Plan System
On 05.06.2026, the Hon'ble Minister for Housing and Urban Development visited the photo gallery set up at the CMDA Office
Bhoomi Pooja held on 14.03.2024 at Venkatapuram, Ambattur for a New Chief Minister's Creation centre and modern library under the North Chennai Development Project
Partner portals
Related Portals
Trusted government gateways connected to CMDA — services, civic tools, and official programmes in one place.
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Resources
Quick links
Essential tools, maps, registers, and services — ready when you need them.
8 resources