According to the police, 29-year-old T Krishnamurthy, the man who claimed to be the son of late Tamil Nadu chief Minister J Jayalalitha has been arrested for forgery and cheating.
T Krishnamurthy hails from Erode, was arrested from Dindigul last night.
Police, in a release, said that Krishnamurthy had produced a "fake document" about him being adopted by a couple in Erode.
The adoption certificate produced by him was "forged".
An affidavit was filed earlier in the Madras High Court by the 29-year-old claiming to be the son of Jayalalithaa and Sobhan Babu.
He claimed to be given in adoption, after the pair split owing to differences.
Police was asked to conduct a probe into the matter by the court.
After which, according to the release, Krishnamurthy's father Thangamuthu was questioned who admitted that Krishnamurthy was his own son.
The birth date given by Thangamuthu was different from what Krishnamurthy had mentioned in his court affidavit.
The court asked the police to take action against Krishamurthy after the state government made a submission in the court on the matter.
Krishnamurthy was later arrested, the release added.
He was produced before a local court and later lodged at the Puzhal Prison here, police added.
(With inputs from PTI)