sla based comprehensive maintenance of ofc route and network elements in buldhana ssa under ba head gmt bsnl aurangabad sla based comprehensive maintenance of ofc route and network elements in buldhana ssa under ba head gmt aurangabad , ofc route maintenance work of buldhana 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 for following- i ) preventive maintenance of ofc routes ii ) corrective maintenance 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 .