The government on Monday said it would invite bids for the 4,000-MW Ultra Mega Power Project (UMPP) in Chhattisgarh by the month-end and for the one at Theyyur in Tamil Nadu before March.

"The Request for Qualification for the Chhattisgarh UMPP would be invited at the end of this month and for the Theyyur in Tamil Nadu before March 2010," Power Ministry Joint Secretary ICP Keshari said at the powerline conference.