KATHMANDU: An on-duty security guard was found dead in Singhadarbar of Kathmandu on Saturday. Gopal Bahadur Shrestha (57) was working as a security guard for the Rastriya Banijya Bank central office in front of Singhadarbar West Gate. Shrestha hailed from Melung-7 of Dolakha district. Police said they are looking into the case.