DRDO unveils India's lightest bulletproof vest, guarding against level 6 threats. Developed by DMSRDE, Kanpur, it withstands 7.62 x 54 R API ammo and was tested at TBRL, Chandigarh. Front HAP can endure multiple hits and is designed for comfort with ceramic plate and polymer backing. Areal density less than 40 kg/m2. Congrats from Defence R&D secretary and DRDO chairman.