Agartala: Gas-based 100 MG watt Monarchak power plant in West Tripura district would start generation by January 2013. Chairman-cum-Managing Director (CMD) of North East Electrical Power Corporation (NEEPCO), Prem Chand Pankaj, told reporters today that in the first phase 60 MW would be generated by 2013 and later another 40 MW would be generated.