 In Silapathikaram one of the five epics of Tamil by Ilango Adigal saying the offering for Four kind of devas.For all practical purposes

For all practical purposes (FAPP) is a pragmatic approach towards the problem of incompleteness of every scientific theory and the usage of asymptotical approximations.When a physicist makes an approximation - which can not be justified on rigorous grounds - he or she may attempt to justify it by saying the results obtained are good for all practical purposes (FAPP).