Thanks for the post!!! We have approached the Consular service department of Qatar Embassy in our country but they told us that the ban is from Qatar!Also my father was returned from Mumbai international airport saying that his qatar visit visa is valid but there`s some airport lock for him at Doha International Airport and was not allowed to abroad the flight.Can u tell me that can his previous sponsor can restrict his entry in qatar.Are they any laws or department where can I forward this issue.Please Help!!!