The correct answer is: All of the above.
The Bihar government raises revenue from a variety of sources, including taxes, grants from the central government, borrowings, income from state-owned enterprises, and donations from foreign countries.
Taxes are the largest source of revenue for the Bihar government, accounting for over 60% of total revenue. The main types of taxes levied by the Bihar government are income tax, sales tax, and excise tax.
Grants from the central government are another important source of revenue for the Bihar government. These grants are made by the central government to help fund state-level programs and projects.
Borrowings are also a significant source of revenue for the Bihar government. The government borrows money from a variety of sources, including banks, financial institutions, and the public.
Income from state-owned enterprises is another source of revenue for the Bihar government. These enterprises are owned and operated by the government, and they generate revenue through the sale of goods and services.
Donations from foreign countries are a relatively small source of revenue for the Bihar government, but they can be important for funding specific projects or programs.
The Bihar government uses the revenue it raises to fund a variety of programs and services, including education, healthcare, infrastructure, and law enforcement.