Thereafter, mother Ganges appeared before King Bhagīratha and said, “I am very much satisfied with your austerities and am now prepared to give you benedictions as you desire.” Being thus addressed by Gaṅgādevī, mother Ganges, the King bowed his head before her and explained his desire.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
दर्शयामास तं देवी प्रसन्ना वरदास्मि ते । इत्युक्तः स्वमभिप्रायं शशंसावनतो नृपः
darśayāmāsa taṃ devī prasannā varadāsmi te | ityuktaḥ svamabhiprāyaṃ śaśaṃsāvanato nṛpaḥ
SB 9.9.3