DRDO develops lightweight bulletproof jacket for Indian Army DRDO develops lightweight bulletproof jacket for Indian Army BENGALURU: The Defence Materials and Stores Research and Development Establishment (DMSRDE), Kanpur has developed Light Weight Bullet Proof Jacket (BPJ) weighing nine kg, meeting the qualitative requirements of Indian Army, the Defence Research and Development Organisation said (DRDO) on Thursday. The Front Hard Armour Panel (FHAP) jacket was tested at Terminal Ballistics Research Laboratory (TBRL), Chandigarh and met relevant BIS standards, it said in a statement. According to the DRDO, the importance of this vital development lies in the fact that each gram of BPJ weight reduction is crucial in enhancing soldier comfort while ensuring survivability.