The deceased has been identified as Pratap Kumar KG, 41, a resident of Kattalagere village near Davangere, who was married to the eldest daughter of former minister Patil.

According to police, Pratap parked his car on the roadside in Honnali forest area and allegedly consumed poison.

Seeing him struggling in the car, the local people took Pratap to the hospital. He was admitted to Megan Hospital in Shivamogga where he breathed his last.

He married Patil's elder daughter Soumya 15 years ago.

Preliminary investigation revealed that Pratap had parked his car (registration number KA 68 M 1458) near Arakere village forest area in Honnali taluk on the Harihar-Sivamogga highway.

Although the police found a poison bottle from the car, no suicide note was found.

The police have registered a case and are investigating the matter.