Explanation:

These are the regular accruals to the government based on the revenue that does not come from tax. In India they are:

Profits and dividends which the government gets from its public sector undertakings (PSUs)

Interest, received by the government out of all loans forwarded by it, be it inside the country (i.e., internal lending) or outside the country (i.e., external lending).

It means this income might be in both domestic and foreign currencies. Pascal services also generate incomes for the government. i.e., currency printing, stamp printing, coinage, medals, minting, etc. General Services also earn money for the government as the power distribution, irrigation, banking, insurance, community services, etc. Fees, Penalties and Fines received by the government.

Grants which the governments receives— it is always external in the case of the Central Government and internal in the case of state governments.