binary mlm where the mlm company deals with numbers of  use full product (cloth, books ,health related product) including insurance policy.once in a life life one among the product purchasing is the criteria to get enrolled in to it.commission paying system is every one will get a fixed amount by joining two new ember left and right and it will increase proportionally with the number of new joined member in left hand and right hand side,it may be by his direct joining or by down line without reassuring down line's commission to get commission every body has to maintain 1:1 ratio.when it will fetch the huge a huge team again there is a maximum pay out limit that is fixed. is this network marketing is  permitted in Islam?