Union Home Minister Rajnath Singh on Monday said the central government ordered the security forces in Jammu and Kashmir to exercise maximum restraint while tackling the angry mobs that took to streets following the July 8 killing of Hizbul commander Burhan Wani."We ordered maximum restraint to the security forces in Kashmir," Rajnath Singh said while replying to a short-duration discussion in the Rajya Sabha on the situation in the state."Forces were directed to use non-lethal weapons in case of violence," he added.At least 40 people have lost their lives in the state violence since July 8.