AIADMK MP M Dhanapal has called for a CBI inquiry into the resignation of four newly elected MLAs who joined the ruling TVK after quitting as legislators.
He alleged that a large sum of money was exchanged behind the resignation of the four AIADMK MLAs.
The move comes after the AIADMK factions patched up with the rebel camp led by S P Velumani agreeing to accept the leadership of party General Secretary Edappadi K Palaniswami.
The rebel MLAs called on Palaniswami at his Greenways Road residence and expressed their support for the AIADMK General Secretary.
Dhanapal said the background behind the four MLAs resigning immediately after taking the oath as MLAs should be investigated.
He alleged that the TVK lacked a majority on its own in the Assembly and that the four MLAs' joining the party was unable to ruin the AIADMK.
The CPI and VCK criticised the development, calling it "not a healthy politics".
The four AIADMK legislators who resigned as MLAs and joined the TVK are K Maragatham Kumaravel, S Jayakumar, P Sathyabama, and Esakki Subaya.