He was not a member of the cabinet during the AIADMK government led by Jayalalithaa from 2011 but he said it was her death and the subsequent rudderless situation in which the party found itself that caused his move to the BJP in 2017.
[6] Later, investigation conducted in 2006 revealed the accumulation of Nainar Nagendran's assets in excess of his income when he was a minister of Industry, Power and Transport during the AIADMK rule.
Vigilant police investigation has revealed that Nagendran bought property including gold jewellery and lands for more than 3 crore 9 lakh 97 thousand 97 rupees.
[7] A chargesheet was filed in December 2010 against Nainar Nagendran his wife and four other relatives under the Prevention of Corruption Act for Rs 3.9 crore disproportionate assets case by Directorate of Vigilance.
[11] Later, he was arrested together with Hindu Munnani state vice-president VC Jayabalan for provocative hate speech that would cause divisiveness among the people and posed a threat to national unity.