New Delhi, May 23: CBI today arrested Davinder Khattar, brother of Dharambir Khattar, one of the main accused in the DDA scam case, for purchasing gold for allegedly bribing tainted Delhi High Court judge Shamit Mukherjee and sacked DDA vice-chairman Shubash Sharma. Khattar was arrested after CBI found that he had purchased gold to the tune of Rs 1.44 crore from MMTC and the same was allegedly supplied to Mukherjee, Sharma and others, CBI sources said. Bureau Report