DRDO Develops Lightweight Bullet-Proof Jacket For Indian Army DRDO Develops Lightweight Bullet-Proof Jacket For Indian Army Kanpur-based Defence Materials and Stores Research and Development Establishment (DMSRDE), has developed this jacket, a ministry statement said. Defence Minister Rajnath Singh congratulated the DRDO and its lab for developing the new jacket. New Delhi: The DRDO has developed a lightweight bullet-proof jacket that weighs 9 kg and meets the qualitative requirements of the Indian Army, the defence ministry said on Thursday. Kanpur-based Defence Materials and Stores Research and Development Establishment (DMSRDE), which is one of the laboratories of the government-run Defence Research and Development Organisation (DRDO), has developed this jacket, a ministry statement said.