Please go to C&W office at NDLS U will find answer 😪SM can be done at pf as wellSpecially at big stationsThere is particular offices at major pf on big stations...In above case 2nd reason is thatFor revised coaching depots ruleFor.long distance journey train round trip 3500 km Has no mandatory under gear examination and brake system maintainance..As TG round trip is around 3300 kms approxAnd GT round trip is more than 3500kmsHence GT round trip is above 3500 kms And it took time for SM Read 3rd one..And for LHB rakes after 2015 i guess not sure with year.PM can...

ZBTT of Telangana Express 🤩🤩😎😎12723/02723 HYB-NDLS Telangana Express Speeded Up by 01:40 Hrs 😎😎😎12724/02724 NDLS-HYB Telangana Express Speeded Up by 01:10 Hrs 😎😎