Defence Minister Rajnath Singh on December 18, 2020, handed over three indigenously developed Defence Research and Development Organisation (DRDO) systems to the Armed Forces Chiefs. Defence Minister handed over the Indian Maritime Situational Awareness System (IMSAS) to the CNS Admiral Karambir Singh: ASTRA Mk-I Missile to ACM Rakesh Kumar Singh Bhadauria and Border Surveillance System (BOSS) to the COAS General M.M. Naravane. The Defence Minister complimented the DRDO scientists for their outstanding work in developing defence systems. BOSS is for the Army which is an all-weather electronic surveillance system successfully designed and developed by Instruments Research & Development Establishment, Dehradun. The system facilitates monitoring and surveillance by automatically detecting the intrusions in harsh high-altitude sub-zero temperature areas with remote operation capability and is being produced by Bharat Electronics Limited (BEL), Machlipatnam. It has been deployed at Ladakh for day and night surveillance.