Maharashtra Chief Minister Devendra Fadnavis and Education Minister Vinod Tawde were among the leaders who paid homage to Ambedkar at the 'Chaityabhoomi'.
At Mantralaya, the state Secretariat, floral tributes were offered to the late leader. At Vidhan Bhawan, Legislature staff paid tributes to Ambedkar.
The city's public transport wing, BEST undertaking, ran special buses between Dadar and Shivaji Park, an official said, adding food stalls were also being put up to provide free snacks there.
The BMC has installed temporary sheds, mobile toilets and six medical stalls at Shivaji Park, Dadar Station, at Rajgriha (Ambedkar's residence) and Kurla Terminus.
Drinking water arrangements were also made at Shivaji Park, the official said.