Adarsh Sharma (30) and Leela Bharti Sharma (35), the proprietors of the travel agency at Kotedi circle under Gumanpura police station received burn injuries in the incident late last night, police said.
Sharma has received 80 per cent burns while Bharti got 40 per cent burn injuries and are undergoing treatment at Maharao Bheem Singh hospital, they said.
Prima facie, the fire is believed to have sparked off due to a short circuit, police said, adding that investigating is underway, although no complaint has been lodged in this connection.