Eastern overseas corporation [eoc] since 1974 manufactures different types of hydro electric packages. Photovoltaic is a process to prevent depletion of india`s limited forest resources and to reduce energy sector`s dependence on fossil fuels. To achieve the following photovoltaic systems, were brought into the main stream for lighting, water supply and other service applications in the household, commercial, agricultural and light industrial sectors in electricity deficit areas in india thus increasing solar photovoltaic in india`s energy mix.