The opposition leader filed a petition in the vigilance court seeking a probe into the microfinance scheme run by SNDP Yogam headed by Natesan.
The woman from Odisha was beaten to death by three supervisors of a brick kiln when she failed to report for work.
Bid to rescue monetisation plan; temples have collected billions of dollars worth gold over centuries.
The private hospital where the intensive care patients were being treated reportedly suffered the power outage late on Thursday.
Waters receded in some areas thanks to a lull in the heaviest rains in a century that have killed at least 280 people.
Commentators on social media accused the PIB of digitally manipulating its version of the picture.
Many areas in Chennai still remain under water and supplies of essential commodities have been difficult to come by, said residents.