Blocks in Thiruvallur District, Tamil Nadu

Thiruvallur district in Tamil Nadu is administratively divided into 14 Development Blocks. These blocks are the core units of the Panchayati Raj system, responsible for planning, coordination, and monitoring of rural development activities across all villages & Gram Panchayats in the district.

Administratively, these blocks (also known as Panchayat Samitis or CD Blocks) act as a bridge between the Thiruvallur District Administration and the Gram Panchayats. While Talukas primarily handle land records and revenue matters, these blocks focus on the overall development of the villages within district.

List of Development Blocks in Thiruvallur District

Below is the complete list of Development Blocks in Thiruvallur district, each comprising multiple Gram Panchayats and villages that together form the foundation of local administration and rural governance in the district.

Each block is headed by a Block Development Officer (BDO), a state government official who serves as the essential administrative link between the District Administration and the Gram Panchayats to manage village-level development and welfare programs.