Custom no problem, यो सब हल्ला मात्र हो, केहि समस्या हुदैन ब्रो, but I dont recoment u to travel via Delhi to Ktm until n unless u book Delhi Ktm ticket in advnce. Last time I went via same route. Aru kura ta sbai thikai ho tara it wd be nice if u see ur own country first. नेपालको स्ट्टा पहील भारतमा पुगियो भने नेपाल जादा को मजा अलि हुदाइन ब्रो। कता कता अलि अलि अर्कै फील हुन्च क्या। ani feri Delhi Ktm pani round ticket kind kamtima pani 150 -200dollar ta lagi halcha, ani airport ma ali ali khanu pari halyo AMRIKA baata aayako bhane pachhi, feri sabai baggage nikalaa, tension nai hunchha ni, so just take direct fligt to ktm, this is from my own experince hai.