IT major Tata Elxsi on Tuesday declared its fourth quarter results, with 13 per cent revenue growth at Rs 3,552.1 crore and profit before tax at Rs 1,048.7 crore for the first time, an 11.9 per cent growth (year-on-year).Software development and services (SDS) grew by 9.3 per cent YoY while system integration and support went up by 18.6 per cent.