It was supposed to be a grand November wedding in Udaipur – with a palace venue, elaborate arrangements and families preparing for the celebrations. Instead, the engagement between 25-year-old Pune realtor Ketan Agarwal and Siya Goyal is now at the centre of a murder investigation after police alleged that Siya. 20. and 22-year-old Chetan Chaudhary — believed to be a man she was in relationship with — conspired to kill Ketan at Lohagad Fort near Maharashtra’s Lonavala on June 18. The sensational Ketan Agarwal case of Pune which was earlier reported to be an accidental death has sent shockwaves across the country (PTI and social media photos ) The exact motive behind the alleged crime is still being investigated, with multiple theories — mostly surrounding Siya’s alleged reluctance to get married — emerging during the probe, the latest being that she was unhappy over Ketan wearing a wig. Ketan, 25, the son of businessman Vishal Agarwal, and Siya, 20, had got engaged in February, with their wedding fixed for November. According to police, the investigation …