Hiring Services to carry out 4 Yearly maintenance, cleaning and painting of Rail Bridge Crossing of 8" GSPL at Neora Rail Bridge Crossing (PL KM 768); 14" ML & 8" GSPL at Chel Road Bridge Crossing (PL KM 783) , 8" GSPL at Teesta Railway Bridge (PL KM 801.03) & 14" ML at Mahananda I Railway Bridge (PL KM 827.40).