Tripathi Masthan poured petrol over himself and then set himself afire at Avanthipuram village under Miryalaguda mandal in the district, they said.
He had apparently been asking his employer for leave for the past three days. Today also he asked for leave, but the petrol pump owner refused following which Masthan set himself ablaze, police said.
He sustained about 90 per cent burns and was admitted to district government hospital, they said.
