empanelment of original equipment manufacturers (oem) along with fixation of rates for supply of single phase smart meters, three phase whole current smart meters, lt ct smart meters and ht ct smart meters with cellular communication modules, 4g sim cards and boxes to be used against new connections and change processes in apdcl-single phase smart meter (cellular based) with net metering facility along with pluggable communication module, sim cards and integration with the hes system of apdcl with warranty of 5 (five) years with pilfer proof meter box 3 three phase whole current smart meter (cellular based) with net metering facility along with pluggable communication module, sim cards and integration with the hes system of apdcl with warranty of 5 (five) years with pilfer proof meter box 4 lt ct smart meter (cellular based) with net metering facility along with pluggable communication module, sim cards and integration with the hes system of apdcl with warranty of 5 (five) years with pilfer proof meter box and di facility 5 ht ct smart meter (cellular based) with net metering facility along with pluggable communication module, sim cards and integration with the hes system of apdcl with warranty of 5 (five) years with pilfer proof meter box and di facility 6 gprs charges per meter per month