Hyderabad, March 16: The Greater Hyderabad Municipal Corporation (GHMC) has intensified its anti-larval operations by deploying 824 teams that will cover all the houses in the city, at least once a week, to curb the mosquito menace. The GHMC additional commissioner, health, Mr Sk Aleem Basha, appealed to the citizens to allow the GHMC teams into the houses for the spraying operations.