Initially, the Jai Hind metro station was planned to be elevated. However, the AAI objected which the elevated extend up into the airport could pose a risk to plane, And so the route was even further reworked and the station was shifted underground, 150 m from the Airport terminal setting up. https://railwayrecruitment67788.bluxeblog.com/64283560/railway-recruitment-kolkata-rrb-group-d-32000-vacancy-pdf