Barring a stray incident of stone throwing at Muthupettai in Tiruvarur District, in which none was injured, the celebrations went off peacefully across the state, police said.
In Chennai, over 1,500 Ganesha idols were immersed today amid tight security.
Idols in various sizes and styles installed by Hindu Munnani, besides other voluntary groups and outfits, were taken out in processions and immersed at five designated spots, including Neelankarai beach in the suburbs.
Traffic snarls were witnessed in some places along the procession routes.