Giving false evidence in a judicial proceeding may be punishable under Section 193 of the Indian Penal Code (IPC) or relevant other section(s) depending on gravity of the offence.
You may file an application before the court (where such false evidence was given) to take action in terms of Section 340 Criminal Procedure Code.
Proof of false evidence would depend on the detailed facts of the case. Please contact some local lawyer by sharing the full details of the case with him.
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