The company reported a full-year pre-tax profit of 1.6 billion pounds, up 3 percent, on revenue up 9 percent to 24.3 billion pounds.

In the 2017-18 financial year, the company plans to invest more than 4 billion pounds on expanding its product portfolio and its manufacturing capacity and on research and development.

(Reporting by Arathy S Nair in Bengaluru; editing by Jason Neely)