Dear all am new to six sigma & am workingas maintenanceteam leaderin amanufacturing Industry (oil & Gas.how much is the six sigma study & certification valid by bench mark india? is the ASQ certification having higher value? please let

Dear all am new to six sigma & am workingas maintenanceteam leaderin amanufacturing Industry (oil & Gas.how much is the six sigma study & certification valid by bench mark india? is the ASQ certification having higher value? please let me know i am much interested to join Six Sigma black belt.