He will be allowed a deduction of Rs. 27,000 (Rs. 12,000 + Rs. 15,000) if neither of his parents is a senior citizen. However, if any of his parents is a senior citizen, he will be allowed a deduction of Rs. 29,000 (Rs. 12,000 + Rs. 17,000). Whether the parents are dependent or not, is not a consideration for deciding the deduction under Section 80D.