purchase and commissioning of solar power system of 15kw for back side block at roof of central library of the college , purchase & commissioning of solar power system of 15kw for back side block (at roof of central library)of the college , solar panel plate - utl/luminous/seemac/tata , inverter cum ups 15kw - utl/luminous/seemac/tata , solar battery 200/150ah - utl/luminous/exide , dcdb - utl/luminous/seemac/tata , earthing of solar system , cable for solar 6-8mm , civil work- angle iron frame work for fixing of solar plates at the roof of central library including drilling, welding, labour with all tools and plants , installation with one year free service , electrification work for supply of solar power to different departments i.e. iqac, home science dept. and connected lecture rooms with geography and law dept. and dept. of physics from main switch including all electrical gadgets (separate mcb should be installed at each office & main mcb at main switch), wires and other accessories inter-alia electrification including wires and changeover for connecting the surrounding led lights of back side block with solar panel.