The correct answer is (a) Jaunsar Bawar.
Bhadraj is the folk-god of Jaunsar Bawar, a region in the Indian state of Uttarakhand. He is a deity of the Jaunsari people, who are a tribal group indigenous to the region. Bhadraj is believed to be the protector of the Jaunsari people and their land. He is also associated with fertility and agriculture.
The Jaunsari people celebrate a festival in Bhadraj’s honor every year. The festival is called the Bhadraj Mela and it takes place in the month of April. During the festival, the Jaunsari people worship Bhadraj and offer him sacrifices. They also dance and sing in his honor.
The other options are incorrect because they are not the folk-god of Jaunsar Bawar. (b) Niti Valley is a valley in the Indian state of Uttarakhand. (c) Kali Kumaun is a region in the Indian state of Uttarakhand. (d) Rath area of Garhwal is a region in the Indian state of Uttarakhand.