ANSWER: Murugappa
Explanation:
Industrialist A. Vellayan has resumed charge as Chairman of Murugappa Group following 5 months after stepping aside from the post after regulatory authority had placed insider trading charges against him. Following the assessment of ongoing proceedings against alleged insider trading after expert legal advice on this matter, he was reappointed. Vellayen has stepped aside as Chairman of Murugappa Group and two group firms, Coromandel International and EID Parry.