The reliable way to find your rasi and nakshatra is by using your birth date, time and place. This is what the Rasi/Nakshatra Calculator (above) does and this is what is strongly suggested. Trying to find rasi/nakshatra using your name is not reliable. This can be illustrated using the example of none other than our blessed Lord Shri Ram Himself. Natha >Muni, Aalavandar(Yaamuna Muni) belong to this Gothram.Bharadwaja appears in >Raamayanam . >About Shatamarshana Gothram lineage, Before Shatamarshana: Ankiras,Purugutsar >and Trasadasyuwere all born in this Gothram. Shatamarshana gothris are called >Sreshtars or Sottai Kulam people in Tamil.