He also attacked the opposition BJP saying its agitation against the hike in power and water tariff was just an election gimmick and it was hand-in-glove with the Congress.
"People are forced to pay their bills through there nose due to fear of legal action against them. To instill confidence in them, I would be on indefinite fast from tomorrow," Kejriwal told reporters.
Kejriwal appealed to people not to pay the bills and said if more and more won't pay and join the "civil disobedience" movement, government and the discoms won't take against against them.
"Even if some people face legal action, then they must not panic as all the legal cases would be withdrawn after his party comes to power in Assembly election in November," he said.
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When asked if he was provoking people to break the law, he said Mahatma Gandhi had himself said that one should not obey the law if it's against people and be prepared to face its consequences.
"They had not raised the issue in the Delhi Assembly.... Now Dikshit government wants to give a bailout package of Rs 20,000 crore to the discoms," he added.
He claimed that poor people had to take loan to pay their electricity and water bills.
Elaborating about the course of action, Kejriwal said apart from him, party volunteers would be observing fast in 264 Wards of the city.