Annual Maintenance Contract Of 12 Sets Of Deltron Make Universal Fail Safe Block Interface Installed In The Block Section Of Tkle Bgp E = 1 Set, Bgp Sbo = 1 Set, Sbo Lmm = 1 Set. Lmm Gga = 1 Set, Gga Ekc = 1 Set, Ekc Clg = 1 Set, Dgle Nile = 1 Set, Nile Sple = 1 Set, Mdl E Hsda = 1 Set, Hsda Batu = 1 Set, Brps Batu = 1 Set, Brps Dumk = 1 Set Under Malda Division With The Oem / Authorised Dealer Through Single Tender Basis For The Period Of Three Years.