pilot project of smart metering and leak detection (partial area) system estimate for supply, installation, commissioning and one year on site comprehensive annual maintenance of ultrasonic domestic meters of size 15mm, 20mm and 25mm dia, also woltman type water meters for sizes 100mm and 200mm dia comforming to iso 4064, class b by class 2 standard or have isi or ce or eec or mid certificate with automatic meter reading (amr) unit of iot technology using lora or nb-iot to detect leak in the specified small part of water distribution area under hmwssb jurisdiction at harihara puram colony (b.n.reddy ghmc division) under vanasthalipuram section, sub-division no.ii, o and m divn.no.x.