Bank statement for 6 months is a must plus salary should be more than 10K along the rental house/flat agreement.( along with other documents of course). They need not to go out later once you will try to put them under your sponsorship, you just need to pay 500QAR to exempt them from in/out process. But all depends on whether they will approve you RP for them. You never know here. But whenever you visit immigration dept, dont expect the things to be done in 1 trip, you have to come and go , come and go but eventually your matter will be solved if you provide them all necessary documents and you fulfill the required criteria.
Bank statement for 6 months is a must plus salary should be more than 10K along the rental house/flat agreement.( along with other documents of course). They need not to go out later once you will try to put them under your sponsorship, you just need to pay 500QAR to exempt them from in/out process. But all depends on whether they will approve you RP for them. You never know here. But whenever you visit immigration dept, dont expect the things to be done in 1 trip, you have to come and go , come and go but eventually your matter will be solved if you provide them all necessary documents and you fulfill the required criteria.