Moirang town is famous for its association with the legend of:

Khamba-Thoibi
Shirui Lily
Dzukou Valley
Loktak Lake

Moirang town is famous for its association with the legend of Khamba-Thoibi. The legend is a love story between Khamba, a prince from Moirang, and Thoibi, a princess from Manipur. The story is about how Khamba and Thoibi overcome many obstacles to be together, and it is a popular folktale in Manipur.

The Shirui Lily is a type of lily that is found in the Shirui Hills of Manipur. The lily is known for its beautiful white flowers, and it is a popular tourist attraction.

The Dzukou Valley is a valley located in the Naga Hills of Manipur. The valley is known for its beautiful scenery, and it is a popular destination for trekking and camping.

Loktak Lake is a large lake located in Manipur. The lake is known for its floating islands, and it is a popular destination for fishing and boating.

The correct answer is Khamba-Thoibi.