 गङ्गा त्रिपथगा राजन् दिव्या भागीरथीति च।त्रीन् पथो भावयन्तीति ततस्त्रिपथगा स्मृता।। 
  O King divine Ganga will be called Tripathaga as well as Bhagirathi. Since she flows in the three worlds heaven, earth and the lower world Patala, she will be known as Tripathaga. 