The immersion, famously known as 'Nimajjanam', would begin tomorrow morning and is likely to continue till Tuesday.
The main centre for immersion would be the Hussein Sagar Lake in the heart of the city where thousands of idols would be brought. A 60-ft tall idol installed in Khairatabad locality is believed to be the tallest in the city.
The immersion procession would be preceded by auction of laddus offered as 'prasadam' to the God at various pandals.
Replying to a question on reports of threat to the country from international terror outfits, he expressed confidence that the procession would be peaceful.
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Noting that elaborate arrangements have been made for the event, Reddy said people should not believe in rumours and seek help of police if necessary.
The city police have imposed elaborate traffic regulations tomorrow and also issued an advisory.
The immersion of Ganesh idols will also take place in various cities and towns in Telangana and Andhra Pradesh tomorrow.