Hostile witness is covered under IPC section ?

Ans. is 'A' i.e., 191. Hostility is one form of perjury. A hostile witness is one who's provided an eyewitness account of a criminal event or other information to help the prosecution build a case, but has later turned in cou, giving a different version of events or contradictory information. A witness is termed hostile, when he gives a ceain statement on his knowledge about commission of a crime before the police but refutes it when called as witness before the cou during trial. IPC 191 - Giving false evidence (Perjury)