“While we cannot disclose the specific reasons for the upgradation, it has come after a thorough threat assessment. We have upgraded Delhi BJP President Virendra Sachdeva’s cover since Saturday,” a senior police officer said.

In Z category cover, a security detail of 20 to 22 personnel, including four to six commandos and police personnel will be provided. A pilot vehicle will also accompany the leader’s convoy, he said. PTI SSJ SSJ RUK RUK