Ab to yeh train ndls after 12303 and 12393 ke baad hi arrive karegi. Punctuality ab gayi tel lene. Jab 12303 12275 (night rider) KO NCR mein patkani de sakta hai to its doomsday for 12273 in upcoming days. Remember 12275 uses cnb by pass but 12273 does not. It goes to cnb.