rate contract for the supply installation commissioning and maintenance of air conditioners for the high court and subordinate courts in the state of madhya pradesh , air conditioners of 1 . 5 ton capacity having inverter 5 stars rating ( under latest ratings issued by government of india ) , electronic voltage stabilizer of reputed make with voltage display and auto cut off facility of reputed make ( iso certified: 9001 and 14001 ) for running minimum 1 . 5 ton capacity , rate per meter of copper pipe for installation and commissioning ( if required after use of 5 meter copper pipe depending upon site condition ) .