thanks much Mr.Hassan for your kind reply..
i have something more to be clarified as follows

NOC should be stated what ? is it salary certificate from sponsor & no objection from them to take my family here in Qatar?
what all the attestation required from my country on marriage certificate ?
what is Qatar marriage certificate ? two victims ??
if my salary transfer is discontinued because of vacation
then, it will not accepted ? continued 6months salary statement required ?

thanks..