ArcelorMittal Nippon Steel India announces CEO Dilip Oommen's retirement on June 30. Oommen will continue as a board member and Vice-Chairman of ArcelorMittal India Private Ltd. Amit Harlalka, the current CFO, will take over as the new CEO from July 1. Harlalka brings extensive finance experience from global ArcelorMittal operations. Aditya Mittal expressed confidence in Harlalka's leadership for future growth.