supply of supply and testing of different types of prepaid meter systems etc. , supply & testing of single phase prepaid meter system:- 240vac, 1 phase 2 wire keypad bas ed fully type tested, bis (is: 15884) marked, 5-60 amps. base mounted direct current operate prepaid ener gy meter having capacitive touch keypad, calibration led & load controlling feature & provisions for tod ( time of day) tariff and r.t.c. (real time clock). in a suitable tamper proof hinge type box along with keypa d with bluetooth features must be enable in meter or in freedom/customer interface unit or in both for ma nually and remotely token transfer and abc reading through mobile app os android / ios / windows. provi ded mobile app should have a provision of offline & online vending token process. sms facility for providin g the vending token to consumer mobile number provision should be there. all prepaid meters should be pr ovided with integrated cloud system for prepaid energy meter. warranty of meter should be 10 years from date of supply. amc/annual charges for vending transaction price included per meter basis for 7years. de mo of installation, commissioning & data base defining, tariff design, mapping the consumer, training shou ld be provided. model:- liberty make:- secure, landis & gyr, genus, l&t, elmeasure & hpl. [ warranty pe riod: 120 months after the date of delivery ] ] , supply of three phase prepaid meter system: - 3*240vac, 3 phase 4 wire keypad based full y type tested, bis (is: 13779 & is: 15884) marked, 20-80 amps. base mounted direct current operate prepa id energy meter having capacitive touch eypad, calibration led & load controlling feature & provisions for tod (time of day) tariff and r.t.c. (real time clock). in a suitable tamper proof smc type box/ poly carbon ate box with a parallel bluetooth enabled capacitive touch freedom unit including 5 years annual charges f or vending transaction . warranty of meter should be 10 years make:- secure, landis & gyr, genus, l&t, el measure & hpl. [ warranty period: 120 months after the date of delivery ] ]