Correct Answer: (a) Karnataka
Note: Coffee producing States of India are-Karnataka, Kerala, Tamil Nadu, Andhra Pradesh, Odisha and some States of North East India. Rubber is produced in Kerala, Tamil Nadu, Tripura, Karnataka, Assam, Meghalaya, Nagaland, Manipur and few other states. Tobacco is produced in Andhra Pradesh, Gujarat, Karnataka, Uttar Pradesh, Bihar, Tamil Nadu, Maharashtra and some other States. Thus, these three crops are grown in Karnataka and Tamil Nadu state from the given options. Therefore, option (a) is answer correct.