Govatsa Dwadashi is a festival of Cows. Indian peoples worship cows. Govatsa Dwadashi is celebrated one day before Dhanteras. On the day of Govatsa Dwadashi cows and calves are worshipped. Wheat products are given to cows and calves after worship. People who observe Govatsa Dwadashi refrain from eating wheat and milk during the day. Govatsa Dwadashi is also observed as Nandini Vrat. Nandini is a divine cow in Hinduism.
In Maharashtra, Govatsa Dwadashi is known as Vasu Baras and is considered the first day of Deepavali.