The correct option is B Onam
Seasonal and harvesting festivals are celebrated to mark the change of season and also for the harvesting of crops. The major seasonal and harvesting festivals celebrated in India include, Makar Sankranti, Basant Panchami, Pongal, Lohri, Onam, Baisakhi, Bhogali Bihu, etc. Onam is a festival originated and celebrated in the state of Kerala and by Malayalis all over the world.