"Arvind (Kejriwal) has just said people with cases against them are sitting in Parliament...To stop this, we must use right to reject," Hazare said addressing the gathering at Jantar Mantar during the joint one-day fast with yoga guru Ramdev.
When a voter feels that none of the candidates contesting is good, he should use the right to reject, he said.
"If eight candidates are contesting from a constituency, and a voter feels these are all criminals, not one of them is good', he should choose the last option which is right to reject," he said.
"We have to implement this and not just speak about it," he said.
Team Anna member Kiran Bedi said on Twitter, "Anna says v (sic) have a long struggle ahead! We must strive for Right 2 Reject. To reject devil/deep sea. Next round will get better candidates."
Hazare refuted allegations about rift in Team Anna or any misunderstanding with Ramdev.
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"I was on a tour of 36 districts in Maharashtra. I left the tour and came as I had promised Ramdev that I would support him," he said.
"If I hadn't shown up, people would have again said that there is a rift with Ramdev," he said. More