I am aware that Karachi is quite similar to Mumbai. Cosmopolitan, business friendly and upwardly mobile. In that respect Lahore is probably closer to Delhi. Similar Punjabi influence and mixing of old and new world charms. I wish I could visit these places some day.
And about Karachi, my ex-boss who's from Aligarh once visited his relatives in Karachi and came back impressed with Clifton. Is it still like the most posh address in Karachi?