New Delhi, June 24 -- The murder plot for businessman Ketan Agarwal by his fiancee Siya Goyal and her lover Chetan Chaudhary reportedly originated during a visit to Lohagad Fort on May 31.

26-year-old Ketan, who died while on a trek on June 18, was allegedly pushed into the gorge by Siya (20) and Chetan (22), police said on Tuesday. The incident was initially registered as an accidental death, with Siya informing the victim's family that he had slipped during the trek.

Siya and Ketan got engaged in February and were scheduled to get married in a grand wedding ceremony at Udaipur in November, for which a palace had been booked.

Ketan and Siya were visiting Lohagad Fort near Lonavala to celebrate her 20th birthday. She initially told the...