Subwork-1: Alteration to existing Electronic Interlocking System (MEDHA Make) with additional Goomty towards SVTN end including Outdoor Signalling Works at LONDA Jn. Station in connection with Additional line work of Hubballi Division of South Western Railway. Subwork-2: Alteration to existing Electronic Interlocking System (MEDHA Make) at GUDGERI Station in connection with Closure of LC No-266 and LC No-267 of Hubballi Division of South Western Railway. Subwork-3: Alteration to existing (投標 №104251865cn)