The death of Pune-based businessman Ketan Agarwal, which was initially treated as an accidental fall at Lohagad Fort, has taken a dramatic turn after police alleged that his fiancee and her friend conspired to kill him. Agarwal, 25, died after falling into a gorge at the historic fort near Lonavala on June 18. Investigators now claim that his fiancee, Siya Goyal, and her lover, Chetan Chaudhary, planned and executed the murder. Both have been arrested and have confessed.Ketan Agarwal was killed by his fiancee Siya Goyal in Pune.Young entrepreneur from a real estate familyKetan Agarwal belonged to a prominent Pune business family and served as a director at Success Group, a company involved in industrial, commercial and residential real estate development, with a focus on warehousing and logistics infrastructure.According to the company's website, Agarwal played a key role in the group's strategic marketing, business development and customised real estate projects. He was also involved in initiatives aimed at sustainable growth and operational efficiency.Educated in India and the USKetan held a Master's degree in Entrepreneurial Leadership from Babson College in Massachusetts, one of the world's leading institutions for entrepreneurship studies. Before that, he completed a Bachelor's degree in Supply Chain Management from Symbiosis International University.His academic training was supplemented by internships and professional assignments with companies including Mahindra Logistics, KSH Distriparks and Future Group, where he worked on logistics planning, market strategy and data-driven business operations.After completing his postgraduate studies in the United States in 2023, he joined the family business and took on a larger leadership role within the organisation.Wedding planned for NovemberPolice said Ketan Agarwal got engaged to Siya Goyal earlier this year, and the two were scheduled to marry in November.According to investigators, preparations for the wedding were already underway, with both families reportedly booking a palace in Udaipur for the celebrations. The wedding was expected to be a lavish affair attended by family, friends and business associates.Friends and relatives described Agarwal as ambitious and deeply involved in expanding the family's business interests.From birthday outing to murder probeOn June 18, Ketan travelled to Lohagad Fort with Siya as part of her birthday celebrations. Police said the case was initially registered as an accidental death after Goyal claimed that he slipped while taking photographs near a cliff edge.The investigation took a turn after Agarwal's family questioned the accident theory, insisting that he was an experienced trekker and unlikely to lose his footing so easily.Police later examined CCTV footage, phone records, location data and digital evidence. Investigators allege that Chaudhary had reached the fort before the couple and followed them to an isolated location. According to police, he and Goyal then pushed Agarwal into the valley.Superintendent of Police Sandeep Singh Gill said evidence collected during the investigation, including call records and messages, pointed towards a premeditated conspiracy.Passport episode under scannerInvestigators are also looking into an earlier incident involving a planned pre-wedding trip to Bali.According to Agarwal's father, the trip was cancelled after Ketan's passport went missing while the group was travelling to Mumbai airport. He alleged that Goyal had handled the passport shortly before it disappeared.Police have also confirmed that Agarwal and Goyal had visited Lohagad Fort four days before his death. Family members have alleged that there may have been an earlier attempt to harm him during that visit, though police said all aspects of the case remain under investigation.