In Rai Sandeep v. State (2012) 8 SCC 21 , the court had an occasion to consider who can be said to be a “sterling witness”. In para 22, it is observed and held that the “sterling witness” should be of a very high quality and caliber whose version is should, therefore, be unassailable.
(2020) 3 SCC 443- Santosh Prasad v. State of Bihar