LUCKNOW: The two units of Parichha thermal power project, which are under the scanner of the Central Pollution Control Board (CPCB) for snuffing out fly-ash, thereby causing health hazard to thousands of villagers living around, have been waiting for almost five years for a mandatory renovation exercise, top sources in UP Rajya Vidyut Utpadan Nigam have revealed.

Official sources in the state-o