The headquarters of the party is called Thayagam, which is located at Rukmini Lakshmipathi Salai, Egmore, Chennai.

Vaiko was a member of Rajya Sabha and a party activist of Dravida Munnetra Kazhagam (DMK).

[3] Due to issues in seat sharing, MDMK quit the ADMK Alliance and boycotted the 2011 Assembly elections of Tamil Nadu and Puducherry.

The MDMK protested the Sri Lankan President Mahinda Rajapaksa's visit to Sanchi, Madhya Pradesh in September 2012.

[4] The MDMK left the BJP-led National Democratic Alliance in December 2014, accusing the BJP of acting against Tamil interests.