expression of interest ( eoi ) for outsourcing of sla based comprehensive maintenance of optical fiber cable ( ofc ) & other network elements of nanded ssa of nanded business area in bsnl, maharashtra telecom circle - ofc route maintenance work of nanded ssa with required nos. of teams and tools / testers / machines / equipments / vehicles / office setup and all required related permissions and works as defined in the scope of work for maintaining the service level agreement forfollowing-i ) preventive maintenance of ofc routes ii ) correctivemaintenance of ofc routes.iii ) scheduled and planned maintenance of ofc routes etc.iv ) improvement of technical parameters of network upto 1% of the overall assigned ofc length for maintenance contract per annum.v ) collection of gps coordinates and mapping them on map.