Solar energy is renewable and pollution-free. This green energy and tropical sunlight in India due to its diversified and perfect geographical location. The installation of rooftop photovoltaic PV systems is common nowadays. PV cells convert solar energy to direct electric energy. Solar energy generation requires less maintenance. The photovoltaic system has become a major source of global energy. For domestic purposes, PV grid is used effectively as installed solar rooftop systems. They are eco-friendly and therefore contributes to sustainable development. A rooftop solar system is a good investment as government subsidiaries give beneficial schemes.