Marma is the second largest ethnic group in Bangladesh and they are of Burmese (Myanmar) ancestry. They speak in their own Marma language, and the majority are Theravada Buddhist. They have many festivals during the year, but Sangrai is regarded as the biggest celebration among them. They believe that the water takes away all the sorrow and pure up our soul and body, so one must to greet others (even strangers) by splashing water on them. But the culture of marma is unique. It has also their own language, tradition, culture etc. Approximate 3,50,000 marma peoples are living in Bangladesh.