Requirements for applying Visa for other relatives:-
1, copy of personal id or passport of the sponsor
2, Copy of residential tenancy contract
3, Letter from employer of the sponsor citing profession and salary
4, Valid passport copy of the visitor
5, Documents to prove relationship
6,  Bank Statements (stamped) for minimum of 6 months ( I'm not sure)
Provide all the documents submit to the immigration if you got the approval its well and good...or
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·         Visit Visa for Qatar
·         www.SheenServices.com/visa