Pune police recreated the Lohagad Fort murder scene using a fibre dummy of the victim.
The investigation follows the death of 26-year-old realtor Ketan Agarwal on June 18.
Two suspects, Siya Goyal and Chetan Chaudhury, remain in police custody until June 29.
Key evidence including a two-wheeler, hoodie, and headphones has been seized by investigators.