Vijayawada Division: Signal And Telecom Department: S&Ampt Works In Connection With Provision Of Msdac For Dual Detection To Existing Track Circuits On Road 1,2,3,4 And 5 At Gudivada Station Of Vijayawada Division. 2. Provision Of Msdac For Dual Detection To Existing Track Circuits On Road 1,2,3,4 And 5 At Palkollu Station Of Vijayawada Division. 3. Provision Of Msdac For Dual Detection To Existing Track Circuits At Mandavalli Station Of Vijayawada Division. 4. Provision Of Msdac For Dual De