Senior political leaders cutting across party lines paid floral tributes at his memorial here.
Governor K N Tripathi paid tribute at Gandhi Ghat in Barrackpore, a few km away from here.
A Bengali film 'Babar Naam Gandhiji', which is about Mahatma Gandhi and modern society seen through the eyes of a street boy, also hit the theatres to coincide with his birthday.
To commemorate the international non-violence day on Gandhi's birthday, sex workers brought out a silent procession in the city.