New Delhi, March 17 -- The Supreme Court on Monday questioned the need for a 14-member Delhi Ridge Management Board (DRMB) to serve as a "single-window" authority for permissions to divert ridge land for development activities, and raised concerns about possible conflict of interest and overlap between statutory authorities tasked with implementing environmental laws in the Capital.

A bench headed by Chief Justice of India (CJI) Surya Kant directed the Centre to file an affidavit providing details of all statutory and non-statutory authorities dealing with environmental issues and said, "Such information is important to delineate area of operation for all such bodies and further to identify areas which are overlapping."

The order came w...