TOKYO, March 10 : Japan's economy grew faster than initially estimated in the October-December period from the previous quarter, revised gross domestic product (GDP) data showed on Tuesday. The revised figure released by the Cabinet Office showed the economy expanded an annualised 1.3 per cent in the fourth quarter, compared with the initially estimated 0.2 per cent. Economists' median forecast was for a 1.2 per cent growth. Without annualisation, GDP grew 0.3 per cent, matching the median