How many wildlife sanctuaries are there in India?

The Biosphere Reserve programme started in India in:

The Red Data Book is famous for which of the following?

The Government of India has provided private ownership rights in which of the following?

Statement $I$: In many cultures,tracts of forest were set aside,and all the trees and wildlife within were venerated and given total protection; these are referred to as sacred groves.
Statement $II$: In Meghalaya,the sacred groves are the last refuges for a large number of rare and threatened animals.

The Earth Summit held in Rio de Janeiro in $1992$ was called: