In Sikkim, Lhabab Duchen is being observed with religious fervor and devotion today.The festival commemorates the legend of Lord Buddha's descent from the Devalok after imparting teaching to his deceased mother, Mahamaya.Lhabab Duchen occurs on the 22nd day of the ninth lunar month each year. It is one of the four festivals commemorating four events in the life of the Buddha, according to Tibetan traditions.Lhabab D’chen occurs on the 15th day of the 9th month on a Tibetan calendar.This is a Buddhist festival celebrated to observe the descent of Buddha from heaven back to earth.Buddha had left for heaven at the age of 41. He was exhorted by his follower and representative Maugalyayana to return and after a long debate managed to return. He returned to earth by a special triple ladder prepared by Viswakarma, the god of machines. All Buddhist monks, on this day, go through their holy scriptures, offer lights and pray Lord Buddha throughout the day. This day is a day of Govt. holiday in Sikkim.