New Delhi, Aug. 25 -- The Supreme Court on Monday said it would appoint an amicus curiae to assist it in the matter in which it took suo motu cognisance of the ecological imbalance in Himachal Pradesh.

A bench of Justices Vikram Nath and Sandeep Mehta posted the matter for hearing after four weeks.

Appearing before the court, the Advocate General and Additional Advocate General of Himachal Pradesh informed that the state had filed a report on August 23.

On July 28, a different bench of Justices JB Pardiwala and R Mahadevan had said Himachal Pradesh might "vanish in thin air" if the situation did not change.

It was then dealing with a petition against an order of the Himachal Pradesh High Court, which declined to entertain a plea chall...