Abuja [Nigeria], May 29 (ANI): Defence Minister Rajnath Singh attended the swearing-in ceremony of President-elect of Nigeria Bola Ahmed Tinubu in Abuja on Monday. In addition to senior officials of the Ministry of Defence, the Defence Minister's delegation to Nigeria included top executives of Hindustan Aeronautics Limited (HAL) and Goa Shipyard Limited (GSL), the Ministry of Defence said in an official release. These ex