Types of linked lists and binary tree traversals

This is despite the fact that dam proponents show an expense of crores of rupees to set up hatcheries as a part of their Environment Management Plan.

Unfortunately, most of these sanctuaries get no protection by the State Governments, Forest Departments or the Ministry of Environment and Forests. Ministry of Environment and Forests has done precious little in conserving or protecting riverine diversity, fisheries or rivers from the onslaught of dams.