For the outbound flights from KTM via Delhi you have to identify your luggage in Delhi at transit hall.You have to ask at KTM while checking in to put in transit tag (Green Colour) on your luggage.Do not ever tell you are flying out towards State or any third Country because Nepalese immigration official might put you in trouble to get some GHOOS so just tell them I'm going to Delhi.In same way arriving at TIA if you hold Nepalese PassPort just tell them I'm coming from Delhi on so on so Flights(Air lines) to escape from hastle at TIA.Because now days there is no any rule regulation and law jasle jslai pani dukha dine ra tharkaune kam hunchha.CDO pitinchha,Gyane ko chhorilai Blackmail garinchha bhane tapai ta State bat ayeko Murga green dollor jharn je pani garchhan.