Patna,imphal, pakyong(gangtok), mizoram are most risky airport in india. Only experienced pilot r allowed. Captain sathe @ kohzikhode airport landed 27 times before on this airport. So that part gone. Regarding runway Airport authority of india can make only if state govt provide land . Land acquistion is bone in contention in India take
railway or airport or road project .land is too expansive in india.