AGARTALA, Nov 6 (TIWN): Heavy violence started in Tripura since the poll nomination submission process was started. Opposition candidates are undergoing murder threats in various places. Under BJP such an incident is not new though when already 30% seats were won without contest taking help of violence. The State Election Commission’s puppet role has paralyzed the poll environment. In Belonia Ward No-5 CPI-M candidate Bhola Das’s home was attacked in a barbaric manner. Bhola Das has taken shelter in his relative’s home. In the same ward TMC candidate Dolon Das’s father has been kidnapped allegedly by BJP. CPI-M State Secretary Jitendra Choudhury has written a letter to the Election Commission seeking a reply from him.