The case is likely to come up for hearing in the principal sessions court here tomorrow.
Police had registered a case under IPC section related to sedition against Vaiko for a speech he made while releasing his book "Naan Kutram Sattugiren,"(I am Making the Accusation) in 2009.
Subsequently, a charge sheet was filed in 2010.
However, a trial is yet to commence in the case.
On April 3 this year, Vaiko had appeared before Metropolitan Magistrate S Gopinathan and filed a surrender petition.
Later, the MDMK leader was lodged in the Central Prison at Puzhal here, police said.
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