CHANDIGARH: With the Punjab police failing to nab the attackers of RSS leader Brigadier Jagdish Gagneja , the state government has approached the Central Bureau of Investigation to probe the attack. A government spokesperson said, "The Punjab government wanted to entrust the investigation to the CBI to nab the perpetrators and their anti-national co-conspirators residing abroad. A decision to this effect was taken in view of the need for a strong inter-agency approach to bring the accused to book." Senior vice president of the Punjab unit of the RSS, Gagneja was shot thrice in the abdomen from a close range by two young men on a motorcycle.