Topic: Changes in critical geographical features (including waterbodies and ice-caps) and in flora and fauna and the effects of such changes.
1) The entire stretch of the Ganga’s tributary Bhagirathi from its origin at Gaumukh to Uttarkashi is declared as an eco-sensitive zone (ESZ). Government is thinking to allow river bed mining in this stretch. What is river bed mining? Will it impact river adversely? In the light of definition of ESZ, critically examine. (200 Words)