supply & installation of led based 6mtr gl pole 18 watt (18 x 1) solar street light in built battery (i) indas thanagora lakshmitala, plot no-597, jl no-16, indas block, indas-1 gp in the bankura district- 1 supply of gl pole (hot dip galvanized) of 3 mm thickness with 100 mm dia 6.0 mtr length pole with base plate 200 mmx 200 mmx 10 mm with rcc foundation 2 supply of 100wp poly/mono crystalline module with iec 61215, iec 6173-1,2 compliance with any isi mnre approved 3 supply of 18 w luminaries comprise of:a)18 w led (philips/ osram/ equivalent reputed make with bis certificate). b) charge controller and it should have over charge protection, deep discharge protection, battery reverse polarity protection. load short circuit protection, open circuit protection, panel reverse polarity protection, over temperature protection. c) automatic dusk to drawn controlling system to monitor led operation 4 supply of 12.8v, 42 ah lithium ferro phosphate (lifepo4) battery having bis certificate). the batteries should have higher life expectancy, longer cycle life, low discharge rate and fast charging facilities. battery should provide 12 hrs battery backup.the battery must be provided with gl out door type battery box/ inbuilt in luminaries 5 supply of cables and wires a) dc cable 4 sqmm - 15 mtrb) control cable - ls 6 transpotation, installation& commissioning 7 comprehensive maintainance for 5 (five) years minimum 1 (one) visit quarterly 8 sub total 9 gst 18% 10 cess 1%