Scanning, Printing and serving of C. C. Bills on spot of consumer premises LT Cat. I, Cat. II & Cat. IV ( Excluding High value, Agriculture Services ) with GPRS enabled Spot Billing Machines/ Devices with Bluetooth printers and IRDA port readings shall be taken wherever IRDA port compatible meters existing at ERO/ PUTTUR with the software provided by the APSPDCL for a period of 18 months from the date of issue of LOA considering each ERO as an unit through E- tendering in O circle Tirupati.