Bengaluru/ Mumbai, May 26 -- Tata Trusts chairman Noel Tata's push for clarity on new Tata Sons businesses prompted the company's board to discuss in detail plans for aviation, batteries, electronics, semiconductors and e-commerce for the first time on Tuesday, with a plan to hold review meetings at least twice a year.

Over a six-and-a-half-hour meeting at Bombay House, the six-member Tata Sons board, including chairman N. Chandrasekaran and Noel Tata, was briefed on the businesses, with the business chiefs making individual presentations and taking questions from the board members, according to two executives.

Tata Sons' board meeting focused solely on the details of the loss-making businesses, with no discussion of Chandrasekaran's te...