New Delhi, Feb. 5 -- Even as its India business significantly grew both revenue and profit due to federal tax cuts and a festive season rush, Tata Motors Passenger Vehicles Ltd's consolidated numbers in the October-December quarter were pulled down by the impact of a cyber attack on its UK-based subsidiary Jaguar Land Rover (JLR).

India's third largest carmaker saw a 22% rise in volumes of passenger vehicle sales in the country to 171,000 units, sending its standalone profit-before exceptional items owing to demerger related costs-soaring 90% to Rs.127 crore, and revenue jumping 26% to Rs.15,466 crore.

However, that did not help the overall numbers for the third quarter, as more than two-thirds of profit and revenue of Tata Motors PV co...