Answer :

Kerala is considered as land of festivals,
(15 April 1999) is the holy festival of Vishu. All the Indian festivals are sacred and demonstrate great ideals. The Keralites (people from the State of Kerala, India) celebrate their festivals ONAM and VISHU in the most sacred way."

onam is a harvest festival .
 Vishu is Malayalam New Year day , & is celebrated on the first day in the Malayalum month of Medam (April-May) in Kerala, South India.