Respected Sir,
I am a marine engineer and I have to join the ship in china as 2nd-engineer.My owner company has already sent me a visa invitation letter to me by courier.I will receive it in couple of days but sir in visa letter they have adressed to karachi consulate general but sir I live in faisalabad,Punjab state so it is more convinient for me to apply in Islamabad rather than karachi.So it is requested sir please let me know about this query because I want to apply for visa in Islamabad.Waiting for your reply sir.