it is a colorful and joyful festival celebrated in India. on this festival children and elders with very much joy they burn crackers and have fun on this day. this festival is mostly celebrated all over India with out any discrimination. this festival every much joyful but it cause much pollution. these pollutions are air pollution and noise pollution these are the many problems of the this festival. on this festival days the children and including adult fire crackers and go to temples and even they light diyas in their house in each and very corner their houses. they festival celebrated because they say that this festival would bring joyful and colorfulness in their lives. so this festival is celebrated.
hope so my answer is useful