BIVIJI SURNAME IS UNIQUE SURNAME IN THE WORLD ANY BIVIJI HAS TO BE OUR FIRST SECOND OR THIRD COUSIN,ORIGINALLY WE ALL ARE FROM SURAT IN INDIA, AND THEN FROM BOMBAY NOW MUMBAI, WE ALL BELONG TO A DAWOODI BOHRA COMMUNITY A SMALL SECT OF SHIA MUSLIMS. IT IS SAID OUR FORE FATHERS OR ANCESTOR WERE NAGAR BRHAMINS FROM GUJRAT STATE OF INDIA, WE CONVERTED TO ISLAM ABOUT 850 YEARS AGO, AND SINCE WE ALL FOLLOW ISLAM AS OUR HOLY RELIGION.