Question: The Kalyan Group is the holding company of what chain founded by T. S. Kalyanaraman in 1993?
Sentence (from "Bank Menatep"): "Group Menatep Limited", the US$29 billion holding company that had indirect controlling interest in Yukos Oil Company, was later renamed, and now still exists as holding company GML with Leonid Nevzlin as principal shareholder holding a stake of around 70 percent.
Relevant evidence: No