Write Their Full Forms : BEL,BHEL,HAL, NAL, DRDO, ISRO, ITI, IISC, NCBS, UAS .

BEL - Bharat Electronics Limited

BHEL - Bharat Heavy Electricals Limited

HAL - Hindustan Aeronautics Limited

NAL - National Aerospace Laboratories

DRDO - Defence Research Development Organization

ISRO - Indian Space Research Organization

ITI - Industrial Training Institute

IISC - Indian Institute of Science

NCBS - National Centre for Biological Sciences

UAS - University of Agricultural Sciences