By Abhirup Roy (Reuters) – Ratan Tata, the former Tata Group chairman who put a staid and sprawling Indian conglomerate on the global stage with a string of high-profile acquisitions, has died, the Tata Group said in a statement late on Wednesday. He was 86. Tata, who ran the conglomerate for more than 20 years as chairman, had been undergoing intensive care in a Mumbai hospital, two sources with direct knowledge of his medical situation […]