National South Asian-Interest Sorority. Sisterhood is what we work for, Society is whom we give to, & Remembrance is what lies in our hearts. Sisterhood is what we work for. Society is whom we give to. Remembrance is what lies in our hearts. SIGMA SIGMA RHO IS A SOCIAL/FRATERNAL ORGANIZATION THAT EMBODIES UNITY AMONGST WOMEN, STRIVES TO SERVE SOCIETY ON A SMALL AND LARGE SCALE, AND HOLDS FAST IN INSTILLING A SENSE OF PRIDE IN THE BACKGROUND OF EACH INDIVIDUAL SISTER.