Manusmriti

siva.sh/manusmriti/8/152

कृतानुसारादधिका व्यतिरिक्ता न सिध्यति । कुसीदपथमाहुस्तं पञ्चकं शतमर्हति ॥ १५२ ॥

sanskrit

Stipulated interest beyond the legal rate, being against (the law), cannot be recovered; they call that a usurious way (of lending); (the lender) is (in no case) entitled to (more than) five in the hundred.

english translation

kRtAnusArAdadhikA vyatiriktA na sidhyati | kusIdapathamAhustaM paJcakaM zatamarhati || 152 ||

hk transliteration by Sanscript