The correct option is D
Corporation Tax > Income Tax > Customs.
Explanation:
The following is the order of components of earnings of Government of India:
Corporation tax: 21%, GST: 21%, Borrowings and other liabilities: 19%, Income tax: 17%, Non-tax revenue: 8%, Union Excise Duty: 7%, Customs: 4%, Non-Debt Capital Receipts: 3%.