Explanation:

- The Shirui Lily Festival is held in Manipur. ??

- It celebrates the blooming of the state flower, the Shirui Lily, which is unique to the region.

- The festival includes cultural events, traditional games, and music performances.

- Prahlad Singh Patel, Union Minister of State (Independent Charge) for Tourism and Culture, inaugurated the festival in October 2019.

- Option 1: Mizoram - known for other cultural festivals like Chapchar Kut.

- Option 2: Tripura - celebrated for its Garia Puja among other festivals.

- Option 4: Sikkim - famous for its Losar Festival.

- Option 5: Nagaland - known for the Hornbill Festival.

The Correct answer is Option 3: Manipur.