Troll - Throwing the idol in the sea... is not how it would be framed....

The festival is "Ganesh Chaturthi" started on 23rd Aug and generally is for 10 days, (can vary from place to place in India)...
Final day is called "Visarjan" that is departure of Lord Ganesha...

He comes to our place and gives us an opportunity for 10 days to serve him . we celebrate his stay at our place... and on the final day he leaves....
The idol that is prayed for this particular festival is then taken to nearest water reserve.. and sunk in it....
With hell lot of celebrations.. drum beats.. n colors... wht not..

You actually miss him for next couple of days....
with SLogans -
"Ganpati bappa morea...
Pudchya Varshi Laukar Ya"

This is in Marathi... wht it means.. leave it...

I wish I was in Mumbai now :(

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Men will wrangle for religion, write for it, fight for it, die for it, anything but live for it