Sangrur, March 22 -- Police on Friday booked a graft-accused contractor and his three accomplices for threatening the 75-year-old mother of a senior Punjab state power corporation limited (PSPCL) official, who had conducted the inquiry against him.

Deputy superintendent of police (DSP) Sukhdev Singh confirmed the incident and said: "A First Information Report (FIR) has been registered against Harjinder Singh and 3-4 unidentified individuals under sections 126 (2), 351(2), 3 (5) of the Bharatiya Nyaya Sanhita (BNS)."

"No one has been arrested so far. We are searching for the accused, and further investigation is underway," the DSP added.

In a police complaint, senior XEN in Dirba, Munish Garg, said that his mother was accosted by Harjin...