Ramayana
कौशिकीतीरमासाद्य तपस्तेपे दुरासदम् । तस्य वर्षसहस्राणि घोरं तप उपासतः ॥ १-६३-१५
- performed an unsurpassable ascesis on reaching the riverbank of river Kaushiki. While he was performing rigorous penance for a thousand years . - ॥ 1-63-15॥
english translation
kauzikItIramAsAdya tapastepe durAsadam । tasya varSasahasrANi ghoraM tapa upAsataH ॥ 1-63-15
hk transliteration by Sanscript