Chandigarh Dec 25 PTI Punjab DGP Siddharth Chattopadhyaya on Saturday said that the former state police head constable who was killed in the Ludhiana district court blast had links with Khalistani elements and terror outfits and some Pakistan-based entities could be behind the incidentAddressing the media here the director general of police said Gagandeep Singh who was dismissed from service in 2019 had gone to the washroom to assemble the bomb and plant it somewhere He was alone in the washroom when the bomb went offSingh was posted as a munshi at a police station in Khanna his native city and was sacked in connection with a drugs-related case ChattopadhyayaHe was arrested by the anti-drug special task force for carrying 385 grams of heroin and was booked under the Narcotic Drugs and Psychotropic Substances NDPS Act in 2019 He spent two years in jail and was currently out on bail The next hearing in the case was scheduled for December 24 a day after the blast the officer saidSingh was killed and six others were injured in the blast that occurred in the court complex on Thursday The Punjab government had declared a high alert in the state after the incidentDuring his time in jail Singh probably came in contact with some bad elements the police saidCiting the initial probe Chattopadhyaya said Singh had links with Khalistani elements both within Punjab and abroad terror outfits mafia groups as well as narcotic smugglersHe said further details will be disclosed laterTo a question about Pakistans involvement in the blast the DGP said the police have full suspicion but he could not say so conclusivelyThe leads gathered so far indicate that someone sitting and operating in Pakistan could be behind it he addedAsked if Pakistan-based pro-Khalistani organisations could have had a role in the blast Chattopadhyaya said there were indications of links to Khalistani elements and narco-terrorismSingh was facing a narcotics case and his link with the mafia was also established he saidThe DGP said the explosive used in the blast was the kind that only terrorists have and it might have come from across the borderHe said the Ludhiana court blast was the biggest example of the dangerous cocktail of terrorism organised crime mafia and narcoticsAsked if RDX was used in the bomb Chattopadhyaya said the material has been sent for examination and the type of explosive used will be known after the report comesI cannot say conclusively what the explosive material was he said adding that it was unlikely to be RDXReplying to another question the DGP said Singh was technically sound when he was serving in the policeHe was very good with computers and technical material he saidRuling out the human bomb angle Chattopadhyaya said It appears that he went there washroom to connect some wires and to place it the bomb somewhere It was not the concept of a human bomb The posture in which he was sitting showed that he did not go to the washroom to use it He was using the washroom to assemble it the bomb He was alone there the officer saidThe DGP praised the police and other investigation agencies for identifying the man within 24 hours of the incidentAccording to police sources Singhs mobile SIM is believed to have helped identify him PTI CHS VSD DIV DIV