The Tamil Nadu Government has made changes in senior IAS officers. N Muruganandam replaces T Udayachandran as Secretary I to the Chief Minister. Muruganandam will also hold the post of Development Commissioner in full additional charge. P Amudha is transferred and posted as Principal Secretary to Home, Prohibition and Excise Department. GCC Commissioner Gagandeep Singh Bedi has been transferred to Principal Secretary to Health and Family Welfare Department.