A man has been detained by Punjab Police for allegedly providing logistics support to some suspects who fired a rocket-propelled grenade, or RPG, at an intelligence headquarters in Mohali, according to NDTV. The man has been identified as Nishan Singh from Fardikot
The Punjab Police on Tuesday said that it has recovered the launcher used in Monday's attack.
Director General of Police (DGP) V K Bhawra said they have got a few leads and the case will be solved soon.
"A number of suspects have been rounded up and questioned. The launcher used in the attack has been recovered by the police and all leads developed in the case are being pursued meticulously," a statement issued by the Mohali police said.
The rocket-propelled grenade was fired at the third floor of the highly-guarded building in Mohali's Sector 77 at 7:45 pm on Monday, following which an alert was sounded in Punjab.
A case under the relevant sections of the Indian Penal Code (IPC), the Unlawful Activities (Prevention) Act (UAPA) and the Explosives Act has been lodged at Mohali's Sohana police station in connection with the incident.
The case was registered on the basis of the statement of sub-inspector Balkar Singh, the security in-charge of the intelligence wing headquarters.
In his statement, the sub-inspector said he heard the sound of an explosion on the third floor of the building and when he went there, he saw smoke coming out of room number 41.
He said a projectile, after hitting the wall and breaking the window panes, hit the roof of the room before falling on a chair.
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A preliminary investigation pointed towards the involvement of two men who came in a car and fired the RPG at the building.
Police are also suspecting the involvement of gangster-turned-terrorist Harvinder Singh Rinda, who is believed to be in Pakistan, in the incident.
Rinda has been taking the help of local gangsters to carry out anti-national activities, police sources said.
The incident is being seen as a major intelligence failure as the building houses the state counter-intelligence wing, the special task force, the anti-gangster task force and some other units.