Correct option is A
The festival mainly associated with Manipur is Yaosang. This festival is celebrated for five days starting from the full moon day of Phalguna (February/March), and is notably similar to the Hindu festival of Holi, featuring sports, music, dance, and the use of colors. It is one of the major festivals of Manipur and showcases the rich culture of the region. Thus, the correct answer is (a) Yaosang