Sw-i: Guntur - Nadikudi Section: Complete Track Renewal (p) - 2.00 Tkm, Through Rail Renewal (p) - 21.947 Tkm & Through Sleeper Renewal (p) - 2.90 Tkm Sw-ii: Nadikudi - Macherla Section: Through Rail Renewal (p) - 17.623 Tkmsw-iii: Through Fittings Renewal - 17.95 Tkm (all Fittings) & 38.93 Tkm (rubber Pad Only) In Sr.den/north/gnt Sectionsw-iv: Through Ballast Renewal (main Line) By Bcm For A Total Length Of 1.405 Tkm, Turnouts By Bcm (31nos), Loop Lines By Manually For A Total Length Of 1.916 Tkm In Sr.den/north/gnt Section.sw-v: Renewal Of Switch Expansion Joints With Thick Web Sejs (twsej) - 10 Nos In Sr.den/north/gnt Section..sw-vi: Renewal Of Glued Joints - 45 Nos In Sr.den/north/gnt Section..