‘Saga Dawa’ is one of the biggest Buddhist festivals. In which one of the following states is it celebrated?

Sikkim

The correct answer is Option (1) → Sikkim

'Saga Dawa' is one of the biggest Buddhist festivals celebrated in the state of Sikkim, India. It is a significant festival in Tibetan Buddhism, commemorating the birth, enlightenment, and death (Parinirvana) of Gautama Buddha.