Jayalalitha and also requested a judicial probe by the Central Bureau of Investigation (CBI).
The request further states that suitable actions must be initiated and appropriate steps must be taken in this regard.
The party leaders also requested the Prime Minister to take cognisance of the matter.
Earlier, former Tamil Nadu chief minister O. Panneerselvam had gone on a hunger strike along with his followers, demanding a probe into Jayalalithaa's death.
Jayalalithaa, popularly addressed as "Amma" by her supporters and party cadres, died from a cardiac arrest on December 5, 2016 at the Apollo Hospital in Chennai after a prolonged illness.
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