As of 21 March 2013[update] he is the General Secretary of the Kongunadu Makkal Desia Katchi party and as of 2021, is a Member of the Tamil Nadu Legislative Assembly from the Tiruchengode constituency.

He also has business interests in the manufacture and export of clothing, which has caused him to travel abroad extensively.

[2] On 21 March 2013, Eswaran was one of the founders of Kongunadu Makkal Desia Katchi, and is General Secretary of the party.

[3] He contested the May 2009 Lok Sabha Elections as a KMDK candidate from the Coimbatore constituency[4] and came third, securing more than one hundred thousand votes.

[5][6][7][8] For Lok sabha elections 2014, he contested Pollachi Constituency as the KMDK candidate with BJP alliance.