Option 1 -> Maize: GM maize has not been approved for commercial cultivation in India, though trials have been conducted.
Option 2 -> Bt Cotton: Approved for commercial cultivation in India in 2002, making it the only GM crop permitted for cultivation in the country.
Option 3 -> Hemp: GM hemp has not been approved for commercial cultivation in India.
Option 4 -> Soybean: GM soybean has not been approved for commercial cultivation in India, despite applications being filed.
Hence, Option 2: Bt Cotton -> Bt Cotton is the only genetically modified crop approved for commercial cultivation in India. It was approved in 2002 by the Genetic Engineering Appraisal Committee (GEAC) and has been widely adopted by Indian farmers to combat bollworm infestation. -> correct