ssa ji saryan nu...frst f all want to say...if u think that u r sikh and sikhni then  u must use ur surname Singh & kaur or agar tuc smjhde ho k tuhade mom dad mata sahib kaur and guru gobind singh ji ne respectively...then according to the ethics we shud use mom dad surname 's which is kaur and singh!! and rahi surname use karan d gal oh galat nahi h...bt apne caste nu dominant krna n duje nu minor show krna is juzz fukrapanti...jo ajkal chal rhi h... :cooll: