Explanation:

- The Festival of Salhesh is a traditional celebration in honor of Lord Salhesh, a folk deity among the Maithil and Tharu communities.

- Option 1: Tamil Nadu

- Known for festivals like Pongal and Tamil New Year.

- Festivals here are more related to Tamil traditions and culture.

- Option 2: Punjab

- Celebrates Lohri, Baisakhi, and Gurpurab.

- Festivals are largely based on Sikh customs and agriculture.

- Option 3: Gujarat

- Famous for Navratri, Uttarayan (kite festival), and Rathyatra.

- These are deeply influenced by Gujarati traditions and Hindu religious events.

- Option 4: Bihar (Correct Answer )

- Salhesh festival is celebrated mainly in regions inhabited by Maithili-speaking communities in Bihar.

- Reflects regional folklore and cultural practices.