The correct option is A A-(iii), B-(iv), C -(i), D -(ii)
Pusa Gaurav is an improved variety of mustard (Brassica). It is resistant to Aphids.
Pusa Sawani, Pusa A – 4 are improved varieties of Okra and are resistant to shoot and fruit borer.
Himgiri is an improved variety of wheat and is resistant to leaf and stripe rust and hill bunt.
Pusa Komal is an improved variety of cowpea which is resistant to bacterial blight.