Step 1: Understanding the Question:
This question tests knowledge of genetically modified (GM) crops cultivated in India.
Step 2: Detailed Explanation:
Bt cotton is the only genetically modified crop that has been commercially approved and widely grown in India.
It was introduced in 2002 and contains the Cry1Ac gene from Bacillus thuringiensis.
Bt brinjal was approved but later put on hold.
GM potato, maize, and other crops are not commercially grown in India.
Thus, cotton is the correct answer.
Step 3: Final Answer:
Thus, Bt cotton is the genetically modified crop widely grown in India, which corresponds to option (C).
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