The estimations for various expenses a for various projects will be made and will be getting approved by the parliament. Then the implementation period will also be approved at that time by parliament. Basing on this more detailed estimation years will be made by the particular project implementation team and will be submitted to Finance Ministry for allocations of funds for that particular year. The total requirements for that year by all the concerned departments will be forwarded to the Finance Ministry. In turn, this ministry will ask all the departments to give their estimated receipts also for that particular year. Basing on these estimations they will allocate funds for that year. Once it is approved in the budget the expenditure can be maximum up to the allocation. Sometimes some allocations may not be completely utilised that year. In the next year budgets, those departments will be given less amount basing on the actual expenditure during the previous year.