In the first step, efforts would be taken to operate the shutters manually as well as power motors. The work would take one week for completion official sources said, adding, already work was on to mark the maximum dam level of 142 feet.
The Supreme Court had on May 7 struck down a law promulgated by Kerala Government declaring Mullaperiyar dam as endangered and restrained it from obstructing Tamil Nadu government to raise the water level.
Tamil Nadu and Kerala have for long been at loggerheads over the dam safety issue. While Tamil Nadu contended that the dam was safe and its water-level had to be raised, Kerala had maintained that the structure was weak and needed to be replaced.
The dam is situated in Thekkady District in Kerala and is owned and operated by the Tamil Nadu.