for supply of isi marked, dlms compliant, ht trivector meter of 0.5s accuracy class for 5 amp for consumer metering conforming to is14697/1999, indian companion standard with its latest amendment along with nb-iot or 4g modem having fallback to gprs , isi marked, dlms compliant, three phase four wire, ht trivector meter of 0.5s accuracy class for 5 amp. for consumer metering conforming to is14697/1999, indian companion standard with its latest amendment and as per detailed technical specification given in annexure-vi(a) meeting all the minimum requirement specified in gtp appended in schedule-xi, and each accompanied with external nb-iot or 4g modem having fallback to gprs as per the annexure- vi(c1 & c2) and cmri as per technical specification given in annexure –vi (b) suitable & compatible with the meters. 1 hhu (cmri) to be supplied free of cost per lot of 100 meters or part thereof and 5 nos. lash wire polycarbonate seals to be supply with each meter as per specification given in annexure-vi(e)