Mumbai: Chants of 'Ganpati Bappa Morya' rent the air as lakhs of Mumbaikars on Thursday welcomed their favourite deity with fervour and gaiety amid celebrations kicking off the 11-day festival of Ganesh Chaturthi.

People sang bhajans and offered prayers amid bursting of crackers and beating of drums. Devotees feasted on favourite delicacies like 'karanji' and 'modak'.

Ranging in different sizes and shapes, idols of Lord Ganesh were installed in pandals across the city after the traditional puja with the 12-foot tall idol 'Lalbaughcha Raja' in Central Mumbai stealing the show.

According to the local civic body, 1, 91,000 idols were installed across the city out of which 10,350 are at Ganesh Mandals (associations) and 1, 80,650 at individual households.

The civic body has made arrangements like road diversions, watch towers and sanitation in view of the festivities. Railways is also running additional trains to ensure swift movement of devotees.

In wake of the July 13 blasts here, security has been beefed up in the city.