Tenders for Supply of Supply, Installation, Testing And Commissioning Of 750V, 3 Phase Isolating Contactors In Hog Modified Power Cars For Isolation Of Iv Coupler Input And Air Circuit Breaker Output Hog-A & Hog-B In Lhb Power Cars As Per Rdso Modification Sheet No. Rdso/Pe/Ms/Ac/0051-2011Rev-2 Amendment 1 & Edml- 154. Material To Be Procured From Oem Or Dealers Having Tender Specific Authorisation From Oem.