New Delhi, Oct. 13 -- Tata Sons Pvt. Ltd. Chairman Natarajan Chandrasekaran said the group will keep building what India and the world need, including semiconductor chips, even if these projects are slow to deliver amid a tussle with owners who are pressing for quicker returns.

The group's semiconductor push shouldn't be judged on whether it meets the numbers in two to three years, he said at Bloomberg's New Economy Forum in New Delhi on Tuesday.

"Direction is certain, need is certain, ability to execute is certain," Chandra said. Chips will be fundamentally required, and advanced manufacturing is here to stay, he said, adding that India has the talent, the market and ability to step up.

His defence of nation-first projects, which has ...