Tata Sons has quietly bought a little over 1.18 crore shares of Tata Motors in the last four days from the open market for ₹183.2 crore. According to BSE data, Tata Sons, its promoter, bought these shares during February 11 to 15 and raised its stake in the company to 34.01 per cent from 33.71 per cent. Shares of Tata Motors plunged as much as 29.45 per cent on February 8 after the company posted a loss of ₹26,992.54 crore, the largest ever in India’s corporate history, due to an impairment charge for its luxury car unit Jaguar Land Rover.