SAD trade wing leader Gurkirpal Singh Sidhu has criticised the AAP government for withdrawing the security of Rajya Sabha MP Harbhajan Singh, who quit AAP along with six other MPs of the party to merge with the BJP.Sources said the former cricketer had been given CRPF security by the Union Government after security outside his house was removed recently.Harbhajan Singh, however, has not commented on the issue.Sidhu urged the AAP government to maintain law and order in the state and reinstate the security provided to the MP.