CLEANING OF SEWAGE LINES AND MANHOLES AND REPAIR TO EXISTING SEWER LINES OF OFFRS MESS, MNS MESS, NURSING CADET MESS, IN FUSION MESS, STATIC WORKSHOP AREA AND OLD AASHIANA OF AHRR UNDER AGE B/R-I OF GE E/M RR HOSPITAL DELHI CANTT-10 (Tender №105375140)