empanelment of bidders for design, supply, installation, testing and commissioning with comprehensive maintenance 5 years of grid connected rooftop solar photovoltaic pv systems module mounting structure aluminium non-drilling type for >2 kwp to 10 kwp and 11 kwp to 100 kwp under capex model for estimated capacity of each category 1 mw at various government building having app on the rooftop area