[A] [A] Chotanagpur plateau
[B] [B] Western Ghats
[C] [C] Southern
[D] [D] Northeastern
[A] [A] Sri Lanka
[B] [B] Indonesia
[C] [C] Nepal
[D] [D] Bhutan
[A] [A] Karnataka
[B] [B] Bihar
[C] [C] Jharkhand
[D] [D] Maharashtra
[A] [A] Hindustan Aeronautics Limited (HAL)
[B] [B] Indian Space Research Organisation (ISRO)
[C] [C] CSIR–National Aerospace Laboratories (NAL), Bangalore
[D] [D] Bharat Electronics Limited (BEL)
[A] [A] Indonesia
[B] [B] New Zealand
[C] [C] Australia
[D] [D] Greece