Siya Goel gets ready for polygraphy test. Why did she keep Ketan's mobile with her after the murder? And then another secret was revealed.

Siya Goyal, the main accused in the Ketan Agarwal murder case of Lohagarh, has given her consent to the police for a polygraphy test. Police suspect that Siya deleted crucial chats and evidence from Ketan's mobile after the murder. The two