i know all these but after removing link it is inagurated by local mps or some politician of tatanagar there is a same case with little change train number vskp-snsi link exp 11405/6 and discontinued then changed to 18503/4 vskp-snsi indipendent train (even some route changes like link ran through loop line and goes via vkb,bidar where the independent goes via ee and via hs nanded ) then they changed inaguranated date that is the reason what i asked they can keep that link express inagurated date if changed then have to change this tata-ers too