The correct answer is: a) Khamba Thoibi.
Khamba Thoibi is a Manipuri dance form that is performed during the Lai Haraoba festival. It is a love story between Khamba, a Meitei warrior, and Thoibi, a princess. The dance is performed by a group of dancers who wear traditional Manipuri costumes. The dancers move their bodies in a graceful and rhythmic way to the sound of drums and other instruments.
The other options are incorrect because they are not dance forms that are performed during the Lai Haraoba festival.
Maibi Jagoi is a Manipuri dance form that is performed by women during religious ceremonies. Thang-Ta is a Manipuri martial art that is performed by men. Pung Cholom is a Manipuri folk dance that is performed by both men and women.