When you point out something, dont be sure that you are pointing out the facts. How can you be so sure that they are not ethnically pashtun. You remember kasab was supposed to look like a Nepali or a South Indian. Looks can be deceptive. Being a moderator, you have the responsiblity of acting like one instead of shooting off your mouth.
How does Kasab fit in the equation here? or are you saying Irfan/Yousuf family just moved to India?