Explanation:

- Option 1: Jharkhand

- Jharkhand is rich in cultural festivals but is not known for celebrating Uttarayan.

- Option 2: Gujarat

- Uttarayan, or the Kite Festival, is a major event in Gujarat.

- The skies fill with colorful kites as people celebrate the change in seasons.

- Celebrated on January 14 or 15, marking Makar Sankranti.

- Option 3: Uttar Pradesh

- While Makar Sankranti is observed, it's not uniquely associated with Uttarayan.

- Option 4: Kerala

- Kerala celebrates festivals like Onam, but not known for Uttarayan.

Your correct choice is indeed Option 2: Gujarat.