Updated: May 20
According to the Constitution Parliament has established a Contingency Fund. This is an imprest ( loan or advance of money)fund, and amounts, as may be determined from time to time, is paid into it.
The fund is placed at the disposal of the President. He may make advances from this Fund to meet unexpected expenditures. This is to be approved by the Parliament ( Arts-115 and 116)
There is also a state Contingency Fund in each State and the Governor is authorized to spend for unexpected events subject to confirmation by State Legislature.