Yeddyurappa, who began a day-long dharna to protest the CRA order, demanded that the Prime Minister withdraw the diktat without "delaying even for a moment".
He stressed that the Prime Minister should have first sent a central team to the state to study the ground realities before issuing the order.
Prime Minister Manmohan Singh as Chairman of Cauvery River Authority had asked Karnataka to release 9,000 cusecs of water to Tamil Nadu daily.
Yeddyurappa termed the CRA order "unpardonable crime" and "blow" to the state and said it has hurt the harmonious relations between Kannadigas and Tamils. The Prime Minister passed the order for the sole reason of "getting cooperation" from Tamil Nadu.
Yeddyurappa said the PM should get the report of the central team currently touring the Cauvery basin districts today itself, and withdraw the order by this evening to "avert tomorrow
