AGARTALA, March 8 (TIWN): Elimination of criminals and violence from BJP politics to be big challenge for the Chief Minister of Tripura. CM Dr Manik Saha who before and after poll continued to stress on violence-free politics has brought fresh faces to Tripura cabinet. Now it will be a major challenge for him to eliminate goons from party and to play impartial role against all criminals regardless political identities. Controversial persons like Bhagaban Das whose reputation was spoiled before Election was dropped from the cabinet. Under sacked , former CM Biplab Deb law and order of Tripura had fully collapsed with rising political attacks and unemployment had spiked up. Dr. Manik Saha has said, there will be zero tolerance against drug, crimes and violence.