O Balamurugan, younger brother of AIADMK coordinator O Panneerselvam, died on Friday.
According to family members, he was unwell for some time and was in treatment at a hospital in Thiruvananthapuram.
Tamil Nadu Chief Minister M K Stalin conveyed his condolences over telephone to Mr Panneerselvam. Similarly, AIADMK co-coordinator Edappadi K Palaniswami condoled the death.
DMK MLAs Cumbum Ramakrishnan, Andipatti A Maharajan and senior AIADMK functionaries also paid their homage at the residence in Periakulam.
The former Deputy CM and his family, who were in Chennai, arrived in Madurai by a special aircraft and reached Theni by road.
