New Delhi, July 3 -- Pune Police has approached a court seeking permission to conduct polygraph examinations on Siya Goyal, 20, and her alleged lover, Chetan Chaudhary, 22, an official said. A polygraph, commonly known as a 'lie detector test', records physiological responses such as blood pressure, pulse rate, breathing and perspiration while a person answers questions related to an investigation.

"Investigation has revealed that Siya and Chetan had rehearsed at a hillock-like space near a club in Lullanagar how to push Ketan off the cliff at Lohagad Fort. Today, Siya was taken to the spot, where she identified the place where they had allegedly carried out the rehearsal," a Pune Rural Police official stated.

2. The official said inves...