Correct option is D
Kati Bihu, one of the three major Bihu festivals celebrated in Assam, is observed to pray for the standing crops. This festival takes place during the month of October and marks the mid of the agricultural cycle.
Kati Bihu is a seasonal festival that takes place during the time when the rice plants are growing but haven't yet been harvested, symbolizing the hope for a good harvest.
Lighting of lamps is an essential ritual during Kati Bihu, and people also worship the "Tulsi plant" and ancestors to ensure the crops' well-being.
This festival is different from Bohag Bihu (also called Rangali Bihu), which marks the spring harvest and is associated with the new year.
Additional Information:
Kati Bihu is also known as the "Kati" or "Kongali Bihu", and the term "Kongali" refers to a time of scarcity, as the previous harvest has been consumed.
Rangali Bihu (Bohag Bihu) is the most widely celebrated of the three Bihus, and it marks the beginning of the sowing season and the arrival of spring.
Magh Bihu (also called Bhogali Bihu) is celebrated at the end of the harvest season, and it marks the time for feasting and thanksgiving.