Kautilya's Arthashastra 2.8.32

2.8.32

niṣpattau nikṣiped vādam ātmānaṃ vāpavāhayet /[ś]
abhiyuktopajāpāt tu sūcako vadham āpnuyāt //[ś] E

When the charge is proved, the informant may impute the tale-bearing to someone else or clear himself in any other way from the blame. Any informant who withdraws his assertion prevailed upon by the insinuations of the accused shall be condemned to death.