Visa applying now for sales and salary 7500

by RITESH PRAKASH RITESH
(dubai)

Dear sir ,

I have been staying for last 5 half years in Dubai , and got various job change now i have got a company in Dubai and my salary is total including all is 7500 but the visa is of sales as i have lost my 12 passing certificate so can i bring my family back when ones my visa is stamp , as they were earlier also staying in Dubai only please guide me as what i have to do