He said the situation in the state was 'serious and must be addressed immediately'.

Sanjit Singh, 27, was killed in the July 23 shootout and passed of as a militant by police. Rabina Devi was also killed in the gunbattle.

People and rights group alleged that the shootout was staged by police.

Protests erupted after local media reproduced pictures carried by a New Delhi-based web portal depicting some police commandos surrounding and taking Sanjit into a pharmacy in Imphal and later bringing out his body.

Sanjit, a former member of the banned People's Liberation of Army, had surrendered to the government a few years back.