The new train between hyd Chennai should introduce via mbnr krnt .after extension of 17651/52 to chengalpattu and pondicherry this areas lost dedicated train to Chennai. Kzj ,bza ,nlr route have many train to Chennai,.nlg gnt nlr have hyb mas exp .but krnt mbnr have only this by extension to pdy .they lost quota so that new hyd Chennai train should run via mbnr krnt