Sheer hard work and determination are key to Justice Bhushan Gavai's success and he has earned it by serving the poor and needy, his mother says.

Justice Gavai is set to take oath as Chief Justice of India on Wednesday. He will succeed CJI Sanjiv Khanna.

Talking to reporters here on Tuesday, his mother Kamaltai Gavai said she feels her son would do full justice to his new position.