These are some laws and Policies for Nature Conservation.
The Indian Forest Act, 1927

The Indian Wildlife (Protection) Act, 1972,

The Forest (Conservation) Act, 1980

The Environment (Protection) Act , 1986

The National Forest Policy, 1988

The Wildlife (Protection) Amendment Act, 2002

The Environment Protection Act, 1986

The Air(Prevention and Control Pollution) Act, 1981

The Water(Prevention and Control Pollution) Act, 1974