Which of the following is the largest single source of revenue for the government in India from tax revenue?

Explanation

At the time of the question, option (a) was the correct answer. As per the Budget Estimates 2026-27, the major sources of the Central Government’s gross tax revenue are—income tax (₹ 14,66,000 crore), Goods and Services Tax (₹ 10,19,020 crore), corporate tax (₹ 12,31,000 crore), central excise duty (₹ 3,88,910 crore) and customs duty (₹ 2,71,200 crore).