The Dalit leader also used the occasion to attack leaders claiming to be "messiah" for the OBCs, saying the community has only two messiahs and one was Mandal and another was former prime minister V P Singh, who decided to implement his report.
Singh risked his political career and decided to swim against the tide when he announced that his government would implement the report, he said, describing it as a very brave decision.
Attacking the Congress, he said governments led by the party sat on the report, which was submitted in 1980, and took no action.
The Modi government had empowered the OBCs with its decision to accord constitutional status on a commission looking after its interests, he said.
He also welcomed a Delhi High Court verdict convicting the accused in the Mirchpur violence case in which the victims were Dalits.