Tell me the engine specifications of Tata Nano?

Tata Nano 2013 features the 624cc Multi Point Fuel Injection (MPFI) petrol engine , which is now undergone some tweaks emerge out to be more powerful than the previous model. The engine is now capable of developing 37.5bhp, a remarkable improvement of 10 per cent. The torque value of the engine also witness a hike, and now the engine develops 51Nm which was earlier stands at 48Nm. Despite increase in power output, the new 2013 Tata Nano has enhanced fuel efficiency of 25.4kmpl (ARAI Certified). The top speed of the Nano too receives an improvement, and now it accelerates up to 105kmph. The CNG model of the new Tata Nano is blessed with a 624cc petrol + CNG engine. In the petrol mode, it churns 37.5bhp, while in the CNG mode it develops 32bhp at 5500rpm and a maximum torque of 45Nm at 3500rpm. This engine is coupled to a five-speed (4 forward and 1 reverse) manual gear box transmission.