Tenders for 1Anakapalli :Replacement Of Panel Interlocking With Electronic Interlocking Along With Replacement Of Outdoor Signalling Gears At Anakapalle Akp In Connection With Provision Of Additional Loop Line 2Gollaprolu: Provision Of Signalling Arrangements For Additional Loop Line Work Along With Alterations In Existing Electronic Interlocking At Gollaprolu Glpstation Between Vijayawada - Vishakaptanam Section Of Vijayawada Division.