Which institution has developed  a new type of bulletproof jackets which is the lightest in the world?

Researchers at IIT-Delhi have developed a new type of bulletproof jackets which is the lightest in the world.  According to the researchers, this jacket which weighs about 8.2kgs can stop up to 8 bullets from an AK-series rifle and are also about 2kgs lighter than those that the Indian Army currently uses.  Another version of the jacket weighs 9.5 kgs and can stop as many as six bullets fired from certain sniper rifles. The bulletproof jackets that are being used by Indian soldiers currently weigh about 10.5 kgs.  The jackets have been developed in collaboration with the Defence Research and Development Organisation (DRDO) and it took them 15 years to finally make them what they are today.