Bpq-kzj Section Sw-i Through Rail Renewal of Exg. 60kg/90uts Rails on Psc6 Sleepers with 1660 Nos/km Density with New 60kg/90uts /r-260 Rails on Psc6 Sleepers for a Length of 14.407kms, Sw-ii Through Sleeper Renewal of Exg.psc6 Sleepers with New Wider Base Sleepers of 1660nos/km Density for a Length of 6.646kms, Sw-iii Complete Track Renewal (s) for Loop Lines for a Length of 8.245kms, Sw-iv Through Rail Renewal (s) of Loop Lines for a Length of 11.275kms, Sw-v Through Ballast Renewal with Bcm for a Length of 4.857kms, Sw-vi Through Ballast Renewal with Manual Deep Screening for Loop Lines for a Length of 8.093kms, Sw-vii Through Fitting Renewal for a Length of 134.62kms Sw-viii Through Turn Out Renewal of Exg. Switches with Tws-8 Sets, Curved and Cmsc-31 Sets and Derailing Switches -8sets Under Sr.den /north/ Sc Section.