Amma Makkal Munnettra Kazagam (AMMK) chief TTV Dhinakaran's close aide and former Tamil Nadu Transport Minister Senthil Balaji joined DMK on Friday. "The current AIADMK government...is working with the BJP to undermine the state," Balaji said while talking about his decision to join DMK. Balaji was one of the 18 MLAs disqualified from AIADMK for siding with Dhinakaran.