gradation of ballast
gradation of ballast:gradation of ballast

preparation of embankment surface
preparation of embankment surface :preparation of embankment surface

embarkment test
embarkment test:embarkment test

excavation of quarters at latehar
excavation of quarters at latehar :excavation of quarters at latehar

Excavation for quarters is in progress at latehar
Excavation for quarters is in progress at latehar :Excavation for quarters is in progress at latehar

Cable locating
Cable locating:Cable locating

OGL taken
OGL taken :OGL taken