Domkach is a folk dance of Indian states of Bihar and Jharkhand. In Bihar, Domkach dance is performed in Mithila and Bhojpur regions.
In Jharkhand, it is Nagpuri folk dance. The women and men of groom's and bridegroom's family perform this dance during all major marriage ceremonies. They form a semi-circle to perform this particular dance by holding hands of each other and lyrics of the song are satirical and full of joy. Nagpuri domkach is further divided into Ekharia domkach, Dohri domkach and Jhumta. In Uttar Pradesh, it is a kind of festival.