The correct option is C 40,000
The Narmada Sagar Project in Madhya Pradesh is an example of the effect of large scale projects on the depletion of forest resources. The project would inundate 40,000 hectares of forests and displace many local communities.
The Narmada Bachao Andolan is a social movement which has been fighting against the multiple dam projects across the Narmada river, including the one in Madhya Pradesh.