Arthashastra
अनिष्पन्ने शारीरं हैरण्यं वा दण्डं लभेत, न च अनुग्राह्यः ॥
An informant who fails to prove (his assertion) shall be liable to monetary or corporal punishment, and shall never be acquitted.
english translation
aniSpanne zArIraM hairaNyaM vA daNDaM labheta, na ca anugrAhyaH ॥
hk transliteration by Sanscript