A lookout circular (LOC) has been issued against former Punjab finance minister Manpreet Singh Badal, who has been booked in connection with alleged irregularities in the purchase of a property in Bathinda, a top official of the Punjab Vigilance Bureau said on Tuesday. The LOC was issued on Monday after teams of the Punjab Vigilance Bureau conducted raids at the residence of Badal, who joined the BJP after quitting the Congress in January, in Muktsar to nab him.