The period of crop harvesting is celebrated with great joy and happiness in all parts of India. Special festivals are associated with the harvest season. Which among the following group of festivals is associated with harvest season?
A Pongal, Holi, Diwali, Nabanna
B Diwali, Christmas, Eid, Pongal
C Pongal, Eid, Holi, Nabanna
D Pongal, Baishakhi, Eid, Nabanna
Holi and Diwali are not harvest festivals