India's past is the history of the fight between upper and inferior castes for the long-long years ago. All kinds of problems among the humanity are the consequences of classified variation of 'Brahmanic social order'. The ancient Indian history is not only informative, but it throws abundant light on the happening of today. At that moment, there was the battle between higher castes (Savarnas) and the inferior castes. It has been going on continuously. It has assumed different names, shapes, and forms. In the Ancient period, Buddha was trying to solve these problems, but after the death of Buddha, Buddhism was decline, and Brahmanism has covered all the Buddhist achievements. In the modern era, Dr. Ambedkar has tried to solve this major issue, which was going in the Indian society. He was a social reformer, political leader and principal planner of the Indian Constitution. He extensively pointed out as much Babasaheb was an Indian economist, historian, jurist, philosopher, and politician. He was the precept architect of the Indian Constitution. Ambedkar is known as the pioneer of the renaissance of Buddhism in modern India. He wished social reformers to create public opinion to fight the uncultured inequalities in society. He has provided a very powerful force in giving energy to this movement. It was Ambedkar's efforts that, the movement for Buddhism gained energy in modern India. In addition, Ambedkar deserves unique credit for the renaissance of Buddhism in modern India. In this way, he has provided the main route to the renaissance of Buddhism in modern India. Therefore, the main objective of this paper is to Ambedkar's contribution to the renaissance of Buddhism in modern India. Consequently, this paper has been attempted to look at Ambedkar's contribution to the renaissance of Buddhism through detail analysis of his works. [ABSTRACT FROM AUTHOR]