Every man who by deceit causes any woman who is not lawfully married to him to believe that she is lawfully married to him and to cohabit or have sexual intercourse with him in that belief, shall be punished with imprisonment of either description for a term which may extend to ten years, and shall also be liable to fine.

Bullet Points on Section 81 BNS:

• Deceitful actions leading to false belief of marriage in an unmarried woman
• Coercing the woman to cohabit or engage in sexual intercourse
• Punishment: Imprisonment up to ten years
• Additional liability: Fine