The Manipuri folk song tradition narrating historical events like the Khongjom Battle is called:

Khongjom Parba
Khubak Ishei
Moirang Sai
Lai Haraoba

The correct answer is: a) Khongjom Parba.

Khongjom Parba is a Manipuri folk song tradition narrating historical events like the Khongjom Battle. It is a form of oral history that has been passed down through generations. The songs are sung in a call-and-response style, and they often feature stories of bravery, sacrifice, and love.

Khubak Ishei is a Manipuri folk song tradition that is performed during the harvest festival. The songs are about the joy of the harvest and the importance of agriculture.

Moirang Sai is a Manipuri folk song tradition that is performed during the Lai Haraoba festival. The songs are about the love between the gods and goddesses.

Lai Haraoba is a Manipuri festival that is celebrated to honor the gods and goddesses. The festival includes dances, songs, and rituals.