How to calculate GPF Interest?

This question may look simple but in reality a small calculation error in GPF interest calculation may cost you more. This is because compound interest in the long run may fetch you lot of money and if you are on the loosing side of the calculation error you will ever regret as once you have certified the correctness of the GPF statement

Air India LTC 80 Fare for Central Government Employees – Features and Conditions

Central Government Employees drawing grade pay of Rs.5400 and above can travel by air for the tours performed on official duty and while proceeding on LTC. In addition to this eligibility, all Central Government employees can either fully travel by air or for partial distance depending on the classification of their post as “A”, “B” or “C”