Onam Quotes Onam is an annual Hindu festival with origins in the state of Kerala in India.It falls in the month of Chingam, which in Gregorian calendar overlaps with August–September.  It marks the summer harvest and is celebrated with numerous festivities. It includes Vallam Kali (boat races), Pulikali (tiger dances), Pookkalam (flower arrangement), Onathappan (worship) and many. The festival commemorates the Mahabali, Vamana(Vishnu Avatar), Kashyapa and