Annual Maintenance Contract Of Escorting / Enroute Operation &Amp Trouble Shooting Between Madgaon - Csmt, Mao-Bdts, Mao-Ers And A-Check Of 500 Kva Da (Greaves Cotton Make) Fitted In Power Cars Of Eog Type Lhb Coach Trains Of Madgaon Depot Under Karwar Region Of Konkan Railway.