Preparation and serving of spot bills in consumer premises of 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/TIRUPATI-II with the software provided by the APSPDCL for a period of 12 months from the date of issue of LOA considering each ERO as an unit through E-Tendering in (O) circle, Tirupati