Dhaka, July 30 -- For Dhaka dwellers, the two Eids --- Eid-ul-Fitr and Eid-ul-Azha, have been the two widely participated festivities over the last four centuries. Researchers have traced the roots of Eid celebrations and the accompanying carnivals in the city to the Mughal era. Of the two, the Eid-ul-Fitr, celebrated at the end of the month-long fasting month of Ramadan, is still considered the most joyous of all Dhaka-based festivals. It begins with the sighting of the Shawal moon, the evening before the Eid Day. The evening has long been known as 'chan rait' (the night of moon). It is welcomed with special Eid songs, dance and youthful jubilation. The Eid-ul-Azha marks the sacrifice of animals in the name of Almighty. The two Eids are ...