The traditional Manipuri theatre form known for its use of satire and social commentary is:

Shumang Lila
Nupi Pala
Ras Lila
Pung Cholom

The correct answer is: a) Shumang Lila.

Shumang Lila is a traditional Manipuri theatre form known for its use of satire and social commentary. It is a form of folk theatre that is performed in the open air, usually in a village square. The plays are usually based on stories from Hindu mythology or from the lives of local saints and heroes. The actors in Shumang Lila are usually amateurs, and the plays are often improvised.

Nupi Pala is a form of Manipuri dance-drama that is performed by women. The plays are usually based on stories from Hindu mythology or from the lives of local saints and heroes. The dancers in Nupi Pala are usually professional, and the plays are often choreographed.

Ras Lila is a form of Manipuri dance-drama that is performed by men. The plays are usually based on stories from the life of Krishna. The dancers in Ras Lila are usually professional, and the plays are often choreographed.

Pung Cholom is a form of Manipuri folk dance that is performed by both men and women. The dance is usually performed to the accompaniment of drums and other instruments. The dancers in Pung Cholom are usually amateurs, and the dance is often improvised.