Chandigarh, May 17 -- The Enforcement Directorate (ED) has summoned chairman-cum-managing director of Punjab State Power Corporation Limited and sought records in connection with refund of bank guarantee worth about Rs 2 crore by the power utility to a company purportedly linked to Punjab minister Sanjeev Arora who is in the agency's custody in a money laundering case. Apart from CMD Basant Garg, PSPCL director (commercial) Harsharan Kaur Trehan and two others have been summoned. Arora, 62, was arrested by the ED on May 9 from his official residence in Chandigarh after raids. P2...