Ramayana
रसातलमुपागच्छत् सिद्ध्यर्थं तस्य कर्मणः । भगीरथोऽपि रजार्षिर्गङ्गामादाय यत्नतः ॥ १-४३-४०
- she entered the nether regions of the earth in order to fulfil his mission (salvation of the sons of Sagara). Even kingly-sage Bhageeratha making every effort ushered Ganga to netherworld - ॥ 1-43-40॥
english translation
rasAtalamupAgacchat siddhyarthaM tasya karmaNaH । bhagIratho'pi rajArSirgaGgAmAdAya yatnataH ॥ 1-43-40
hk transliteration by Sanscript