New Delhi, Aug 27 (IANS): President Pranab Mukherjee and Vice President M. Hamid Ansari on Thursday greeted people on the occasion of Onam, celebrated most prominently in Kerala.

"On the joyous occasion of Onam, I convey my heartfelt greetings to all my sisters and brothers in Kerala and abroad," Mukherjee said in his message.

He said that Onam was a unique secular festival celebrated by the people of Kerala "belonging to all communities, irrespective of caste, creed and economic standing".

"It represents the spontaneous celebrations of the common people as they welcome their legendary King Mahabali, who was loved by all for his just and benevolent rule. Coinciding with the harvest season, Onam brings with it optimism for the future and gratitude for nature's bounty," the president added.

In his message, Vice President Ansari said: "I extend my warm greetings and good wishes to the people of our country on the auspicious occasion of Onam."

"Celebrated with traditional gaiety and enthusiasm, this festival reflects the central role of agriculture in Indian society. May the festival usher in peace, prosperity and happiness in our country," he added.