Bharath Lajhna Multi-State Housing Co-operative Society Ltd (BLM Society) is a multi-state cooperative organization in South India. Key Details • Established: February 24, 2006 • Chairman / Founder: R. Premkumar • Headquarters: Chennai, Tamil Nadu (with a regional presence and branch office in Kozhikode, Kerala • Network & Scale: Over 150 branches and more than 1 million members across Kerala, Tamil Nadu, and Puducherry. • Core Sectors: Land and housing development (villas, apartments), transport, education, civil supplies, jewellery retail, and sustainable/renewable energy (such as compressed biogas).