Replying to a question on the campaign that has gripped India since the beginning of this week Khan, at a news conference said, "I think the cause is fantastic and it has been brought to the forefront."
"The implementation, the parliamentarian aspects, the constitutional rules and laws needs to be give serious thought, " he added.
Self-styled Gandhian Hazare has been on a hunger strike since Tuesday, protesting the government's "weak" draft of the anti- graft Lokpal Bill and spent three nights jail before being bending the government to permit him take his fast public.
The movement, which Hazare calls India's second fight of Independence, has amassed thousands of supporters and put immense pressure on the government which has been severely flogged for its ham-handed handling of the issue.