Which one of the following taxes is the largest source of revenue in India?

Explanation

For the period of the question, option (a) was the correct answer. In the Budget Estimates 2026-27, within the total receipts of the Central Government, among direct taxes, the highest share is of income tax (₹ 14,66,000 crore), followed by GST (₹ 10,19,020 crore) and corporate tax (₹ 12,31,000 crore).