Tender For corrigendum : installation of multi parameter controller with integrated sensors for measuring cod, bod, tss, ph, do, orp, and temperature, lot-enabled control panel for mbr systems, designed to monitor key parameters like pump status, blower operation, and sensor data (ph, do, orp, etc.) in real time and tertiary treatment for 4 mld at 8mld stp halmaddi dandeli(others)