The correct option is A a - 4, b - 3, c - 2, d - 1
Brassica - Pusa Swarnim
Pusa Swarnim is the Brassica variety resistant to white rust.
Cauliflower - Pusa Shubhra
Pusa Shubhra is a cauliflower variety resistant to black rot and curl blight black rot.
Chilli - Pusa Sadabahar
Pusa Sadabahar is a chilli variety resistant to chilli mosaic virus, tobacco mosaic virus and leaf curl.
Okra - Pusa Sawani
Pusa Sawani is an okra (bhindi) resistant to shoot and fruit borer.
Final answer
(C) a - 4, b - 3, c - 2, d - 1