The correct option is
B 1-b, 2-c, 3-a
Onam is celebrated in Kerala, South India. It is a state annual holiday and a harvest festival celebrated by Malayali people.
Pongal is a Tamil harvest festival of South India. It is a multi-day festival and occurs in mid of January
Ugadi festival marks the new year of the people of Andhra Pradesh, karnataka and Telangana according to Hindu lunar calender.
The correct option is B.