Upset over the tough posture adopted by the Congress during the seat-sharing negotiations, Dravida Munnetra Kazhagam on 5 March decided to pull out its Ministers from the Union government and provide only issue-based support.
A resolution to this effect was adopted at a meeting of the high-level committee of the party at Anna Arivalayam, the party headquarters.

But after days of intense bargaining, Dravida Munnetra Kazhagam (DMK) and the Congress on 9 March struck a deal, under which the Congress would contest 63 seats.

The final seat allotment was:
Upset over the tough posture adopted by the Congress during the seat-sharing negotiations, Dravida Munnetra Kazhagam on 5 March decided to pull out its Ministers from the Union government and provide only issue-based support. A resolution to this effect was adopted at a meeting of the high-level committee of the party at Anna Arivalayam, the party headquarters.
But after days of intense bargaining, Dravida Munnetra Kazhagam (DMK) and the Congress on 9 March struck a deal, under which the Congress would contest 63 seats.
The final seat allotment was:
2011 Tamil Nadu Legislative Assembly election