The vehicle of the Jalandhar SP Salwinder Singh was later found near Tajpur village here at a spot where curiously the body of an unidentified man was found.
Police said they are not ruling out the involvement of militants in the incident.
Inspector General (Border Range) Lok Nath Angra said high alert has been sounded and search operation was launched to apprehend the culprits.
He said Singh said that five youth waylaid their vehicle and kidnapped them. Later, the armed men thrashed and dumped them on the outskirts of Tajpur village.
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Soon after the incident, ADG (crime) Hardip Singh Dhillon, Angra, SSP Gurdaspur Gurpreet Singh Dhillon and SSP Pathankot R P Bakhshi reached the spot with heavy police force.
Angra said the police was taking the matter seriously and investigating all angles, including possibility of involvement of militants.
Meanwhile, the SP's friend Verma was admitted to a private nursing home in Pathankot, the IG said, adding he was also being questioned.
The cook Madan Lal was untraceable, police said.