In the district headquarters town of Yadgir, Congress workers ransacked the party office and set fire to windows over denial of ministership to senior leader A B Maalaka Reddy, police said.
In Ramanagara and Mandya, they held a dharna demanding that D K Shivakumar, former Working President of Karnataka Pradesh Congress Committee, be included in the ministry.
A supporter of Tanveer Sait sought to set himself ablaze in Mysore, where Congress workers also staged a demonstration.
MLC Veeranna Mathikatti said at least five MLCs should have been made Ministers. None of the MLCs have been made Ministers.
Several districts went unrepresented in the Ministry, and a section of Congressmen there made no secret of their disappointment.