Repayment of loan by the government is a capital expenditure.

Capital Expenditure:
Capital expenditure refers to the expenditure incurred by the government for acquiring assets that are expected to provide benefits in the future. These benefits may be in the form of increased revenue or reduced expenses. Capital expenditure is incurred with the intention of increasing the productive capacity of the economy.

Repayment of loan by the government:
When the government repays a loan, it is considered as a capital expenditure. This is because the loan was taken to finance a capital project which was expected to provide benefits in the future. The repayment of the loan is therefore a capital expenditure as it is related to the financing of a capital project.

Revenue Receipts:
Revenue receipts are the receipts of the government which do not create any liability or reduce any asset. These receipts are generally recurring in nature and are used to meet the day-to-day expenses of the government. Examples of revenue receipts include tax revenue, non-tax revenue, and grants.

Capital Receipts:
Capital receipts are the receipts of the government which create a liability or reduce an asset. These receipts are generally non-recurring in nature and are used for financing capital expenditure. Examples of capital receipts include loans, borrowings, and disinvestment receipts.

Revenue Expenditure:
Revenue expenditure refers to the expenditure incurred by the government for its day-to-day functioning. These expenditures are recurring in nature and do not result in the creation of any asset. Examples of revenue expenditure include payment of salaries, interest payment on loans, and subsidies.

In conclusion, repayment of loan by the government is a capital expenditure as it is related to the financing of a capital project.