Santhanalakshmi is also the mother-in-law of party deputy general secretary TTV Dhinakaran.
Besides Dhinakaran's wife Anuradha, Santhanalakshmi is survived by her husband Sundaravadanam, son S Venkatesh, and another daugther Prabha.
In brief remarks, Dhinakaran told reporters here that the funeral of his mother-in-law will be held tomorrow at Thanjavur.
Both Venkatesh and Dhinakaran were reinducted into the AIADMK by Sasikala ahead of her imprisonment in a Bengaluru jail in February following her conviction in the disproportionate assets case.
Venkatesh and Dhinakaran were expelled in 2011 by late Jayalalithaa.
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