Bathinda, April 21 -- The police on Sunday booked four individuals, including former Muktsar district Congress president Nachattarpal Singh and his son Ravinder Singh, over the alleged double murder of a man and his son at Abul Khurana village, said officials.

Nachattarpal is the father-in-law of the former deputy chief minister and Congress MP from Gurdaspur Sukhjinder Randhawa.

In the first-information report (FIR), a third accused, identified as one Davinder Singh alias Rana, is charged with fatally attacking the duo.

Officials close to the investigation said the five-member special investigation team (SIT), with superintendent of police (investigation) Manmeet Singh Dhillon as its head, probing the case is yet to make any arrests....