M Natarajan, husband of jailed AIADMK leader V K Sasikala, passed away at a hospital here early Tuesday morning.
Natarajan was admitted to Gleneagles Global Health City in a critical condition on March 16 with severe chest infection and was on life support system.
"It is with profound grief and sorrow that we announce the sad demise of Natarajan Maruthappa at 1:30am. Every possible attempt was made to sustain his revival. However, despite our best efforts he was unable to recover," a hospital statement said.