The correct answer is C. Khepa.
Losar is the Tibetan New Year, which is celebrated in February or March. Chaitraul is a Hindu festival that celebrates the beginning of the spring season. Khepa is a festival celebrated by the Tharu people of Nepal, which marks the beginning of the maize harvesting season. Sairi is a festival celebrated by the Newar people of Nepal, which marks the beginning of the new year.
Khepa is a major festival celebrated by the Tharu people of Nepal. It is a time for thanksgiving and celebration, and is also a time to pray for a good harvest in the coming year. The festival is usually held in the month of November, after the maize crop has been harvested.
The main event of the festival is a procession, which is led by a group of men carrying a decorated pole. The procession goes through the village, and is accompanied by music and dancing. At the end of the procession, there is a feast, which is attended by all the villagers.
Khepa is a time for family and friends to come together and celebrate the harvest. It is also a time to reflect on the past year and to look forward to the year ahead.