|keywords=Vayu (air), udaka (water), desha (land), kala (season),contamination, epidemics, lifespan, daiva (predetermined), purushakara(human effort of present life) | |keywords=Vayu (air), udaka (water), desha (land), kala (season),contamination, epidemics, lifespan, daiva (predetermined), purushakara(human effort of present life) |