<span style="color: #222222;">A Delhi court today extended the ED custody of Madhya Pradesh Chief Minister Kamal Nath's nephew Ratul Puri by three days in a money laundering case related to AgustaWestland chopper scam.<br />'' <br />'' Special judge Arvind Kumar allowed the Enforcement Directorate to quiz Puri for three more days. He was arrested by the ED on 4th September and his custody was ending today.<br />'' <br />'' The money laundering case was lodged following alleged irregularities in purchase of 12 VVIP choppers from Italy-based Finmeccanica's British subsidiary, AgustaWestland.</span><br />