Chhath Puja is dedicated to the worship of the Sun god or Surya Dev and his wife Goddess Usha. It is an important Hindu festival that is mainly celebrated in Bihar, Uttar Pradesh, Jharkhand and certain regions of Nepal. During this period, devotees perform puja to thank the divine couple for blessing the earth with their light and for supporting life on earth. On Chhath special occasion, Aaj Tak presents popular folk singing Maithili Thakur on this occasion.