 By being the headquarters of OIL, Duliajan has become home to people from all corners of the country, some of whom have settled down to start businesses and others as employees in OIL.The main festivals celebrated are Bihu, Krishna Janmashtami, Maha Shivaratri, Eid al Fitr, Christmas, Eid al-Adha, Durga Puja, Kali Puja, Saraswati Puja, Dussehra and Vishwakarma Puja.Chhath Puja is celebrated by the Bihari community and Ganesh Chaturthi is mainly celebrated by the Telugu community of the town.