Modeling of a PV module is necessary for PV module designers and PV power plant operators to accurately predict the IV characteristics and maximum power of PV module under varying environmental conditions. Simple diode and two diode PV models are available for PV module and among them two diode PV model is more accurate. There are six parameters in the two diode PV model and they have to be found out by applying numerical methods. Since numerical method is an iterative technique, it requires more time to compute the six parameters in the PV module. To reduce the complexity in finding the parameters of two diode PV model. A simple and accurate method is proposed which requires less computation time and gives accurate results. The reverse saturation current of the PV model is obtained from IV characteristics equation of two diode model. compared to the previously reported results in literature, the proposed method involves less complexity and it gives accurate estimation of maximum power of PV module. The results are verified for six PV panels belonging to different manufacturing technologies. we have proposed a simple and accurate technique to find the parameters of two diode model of PV module which involves less complexity in computation. The reverse saturation current is found from two diode PV model IV characteristics equation. The results are verified for PV modules belonging to different technologies by finding the maximum power at varying environmental conditions.