Annual maintenance of already installed Automated Water Level gauge at Br. No. 345 (1x9.14 + 18x30.5m) in MPO-DDU section of DDU division, Br. No. 90 (16x12.2m) in SMI-RXL section, Br. No. 7(8x12.2m) in SPJ-KGG section, Br. No. 14 (14x30.5m) in SPJ-DBG section, Br. No. 117 (7x12.2m) & Br. no. 86A (7x12.2m) in SHC-PRNA section, Br. no. 58(2x45.7m) in RGV-LLP section and Br. no.73 (4x30.5m) in LLP-FBG section of SPJ Division (total 08 Nos.AWL) over E.C. Railway