Onam Festival: This topic has appeared again and again in the GS prelims as well as in Mains.
IBN news item gives a good description at
What 'Onam' festival is all about?
On the other hand Wikipedia has a more elaborate write up. (
Click Here to Access)
For further study on similar lines Check the social festival index on Wikipedia. (
Click here to Access)
Kindly observe caution while making notes from the Wikipedia write ups. Sometimes they are subjected to vandalism or motivated tones.