Pune, June 25 -- A hoodie worn on a hot summer morning turned out to be a crucial clue for Pune Rural Police as they probed the death of 25-year-old businessman Ketan Vishal Agarwal at Lohagad Fort, a case that has now turned from an alleged accidental fall into a suspected murder conspiracy involving his fiancee Siya Goyal and her friend Chetan Chaudhary. According to senior police inspector Dinesh Tayade of Lonavala Rural Police, the investigation gathered momentum after Ketan's family questioned the theory that he had accidentally fallen from the fort. Family members told police that Ketan was an experienced trekker and unlikely to have lost his balance at the spot from where he reportedly fell. Ketan, a resident of Lodha Belmondo in Gahunje, had visited Lohagad Fort on June 18 with his fiancee Siya Goyal as part of her birthday celebrations. Siya initially told police that Ketan had slipped and fallen while taking photographs near the fort. An accidental death report was registered at first. However, investigators began closely examining the movements of people present in and around the fort on the day of the incident. "When we checked the June 18 temperature, it was 33 degrees Celsius that morning. During scrutiny of CCTV footage from the foothills, we noticed a person wearing a hoodie with his head covered and also wearing headphones. This raised suspicion because such clothing was unusual considering the weather conditions," Tayade said. Police later identified the individual as Chetan Chaudhary, who allegedly attempted to avoid detection by leaving his mobile phone at his Kondhwa residence rather than carrying it to the fort. Investigators tracked CCTV footage and subsequently questioned both Chaudhary and Siya. During sustained interrogation, the two allegedly confessed to the crime, police said....