As a signatory to the Convention on Biological Diversity, India was to enact a comprehensive legislation to achieve the objectives of the said convention. As such, In 2002 India enacted the Biological Diversity Act and subsequently in 2004, the Biological Diversity Rules came into effect for fulfilling the three main objectives of the convention, viz., conservation of biodiversity, sustainable use of the same and ensuring equitable sharing of benefits arising out of the use of the biological resources. The Biological Diversity Act envisages a three tier system for implementing the same with the National Biodiversity Authority at the apex with its headquarters located in Chennai, each state with its individual State Biodiversity Board and each local body with a Biodiversity Management Committee.
As per The Biological Diversity Act, 2002 [Section 41], every local body shall constitute a Biodiversity Management Committee (BMC) within its area. Local body in this case refers to the levels of Panchayat Samiti (Block) and Municipality in the state of West Bengal presently on an initial basis.