The Full Form of AIDMARK is‍  Anna Dravida Munnetra Kazhagam.

The All India Anna Dravida Munnetra Kazhagam (transl. All India Anna Dravidian Progressive Federation; abbr. AIADMK) is an Indian regional political party in the state of Tamil Nadu and in the union territory of Puducherry. AIADMK is a Dravidian party founded by M. G. Ramachandran (M.G.R) on 17 October 1972 as a breakaway faction of the Dravida Munnetra Kazhagam.

From February 1989 to 5 December 2016, AIADMK was led by J. Jayalalithaa, who served 6 times as the Chief Minister of Tamil Nadu on several occasions. The party has won majorities in the Tamil Nadu Legislative Assembly seven times, making it the most successful political outfit in the state’s history. J. Jayalalithaa was known as the “Mother of AIADMK” and was highly popular among the Tamil populace until her death in 2016. It is currently the ruling party in Tamil Nadu and is part of the Indian ruling political front National Democratic Alliance (NDA).

The headquarters of the party is called Amma Anbu Maaligai, which is located at Avvai Shanmugam Salai, Royapettah, Chennai, Tamil Nadu. The building was donated to the party in 1986 by V. N. Janaki Ramachandran, M.G.R’s wife