New Delhi, June 27 -- What was meant to be a lavish wedding celebration in Udaipur this November has instead become the focus of a high-profile murder investigation. Police have alleged that Siya Goyal and Chetan Chaudhary, who investigators believe were in a relationship with her, conspired to kill her fiance, 25-year-old Pune realtor Ketan Agarwal, at Lohagad Fort near Lonavala in Maharashtra on June 18.

The couple's families had reportedly been preparing for an extravagant wedding at a palace venue before the alleged murder brought the celebrations to an abrupt end.

Investigators are still trying to establish the exact motive behind the alleged crime. While several theories have emerged during the investigation, most revolve around c...