The Tamil Nadu government, on Tuesday, posted former Principal Secretary, Water Resources Department Satyabrata Sahoo as Principal Secretary / Commissioner of Economics and Statistics.He will replace Kalaiselvi Mohan, who has been transferred and posted as State Project Director, Samagra Shiksha Abhiyan, replacing M. Aarthi, who was holding additional charge. Published - August 05, 2026 12:49 am IST