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2015-06-19T16:58:18+05:30

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BEL- Bharat Electrics Limited
BHEL- bharat heavy electrics limited
HAL- Hindustan Aeronautics Limited
NAL- National Aeronautics Limited
DRDO- department of research and development organisation
ISRO- indian space research organisation
ITI- Industrial technology institute
IISC- indian institute of science
NCBS- national centre for biological science
UAS- university of agriculture science 
80 4 80
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