DMK informed that it has 'temporarily suspended' Shivaji Krishnamoorthy for "party unlawful activities".
The complaint was lodged by the Deputy Secretary of the Tamil Nadu Governor.
In his letter to DGP, Tamil Nadu BJP chief K Annamalai said, "An ordinary person expects the police department to be impartial and unbiased in their actions, but turning a blind eye towards atrocities committed by members of the party in power is uncalled for.
DMK leader Shivaji Krishnamoorthy on Friday sparked a controversy with his remark against Tamil Nadu Governor RN Ravi.
It is the duty of the Constitutional authorities like Governors to ensure that the bodies like LokAyukta are not being sabotaged.
The move assumes significance as the state has witnessed protests against the amended Citizenship Act.