ArcelorMittal says NuMetal alter ego of Ruias; NCLAT disagrees Industry-The Economic Times — July 5, 2018 comments off At a hearing before a two-member bench of the National Company Law Appellate Tribunal (NCLAT), senior lawyer Abhishek Manu Singhvi, appearing for ArcelorMittal, said “NuMetal and Rewant Ruia are alter ego of each other. They both are the same.”