REPAIR MAINTENANCE OF ROOF TREATMENT WORKS OF ECHS POLYCLINIC and REPLACEMENT OF OLD ROOF SHEETS OF GARRAGE BLDG AT II LINES AREA OF CH (EC) COMPLEX AND CERTAIN OTHERS MAINT WORK IN CH (EC) UNDER GE ALIPORE KOLKATA
E-IN-C BRANCH - MILITARY ENGINEER SERVICES
KOLKATA, WEST BENGAL