IMPHAL: As a part of preserving the ecological balance in the Loktak, the biggest natural lake in Eastern Indian, the officials of the Loktak Development Authority (LDA) have started forcing the fishermen to burn their thatched shacks constructed on the floating bio-mass. According to the Manipur Loktak Lake (Protection) Act, 2006 the government identified 1,100 thatched huts. The government had decided to give them Rs 40,000 each for rehabilitation elsewhere.