After years of losing money on two of the group's biggest bets - global steel business and domestic passenger cars - there are strong signs of a revival in both businesses.
The American state of Indiana has paid nearly $1 million to Tata America International Corporation, a subsidiary of Tata India, for an outsourcing contract which it had scrapped prematurely last year.
Take the rediff business quiz and see how much you know about Tatas, India's first business family, and the founder of the group.
Both groups warn of initiating strict actions, issue public notices.
The calculation excludes cross-holding of listed group cos in each other.