India's economic growth remained subdued at 4.7 per cent in 2013-14 and at 4.6 per cent in the fourth quarter of the financial year, mainly due to a decline in manufacturing and mining output.According to official data released today by the Central Statistics Office in New Delhi, the country's gross domestic product in 2013-14 was less than its advance estimate of 4.9 per cent.The manufacturing sector declined 1.4 per cent in the fourth quarter whereas Mining and quarrying contracted 0.4 per cent in the January-March quarter.According to the CSO data, Farm output expanded 6.3 per cent in the fourth quarter compared with 1.6 per cent growth in same period of 2012-13. The agriculture sector grew 4.7 per cent in 2013-14 compared with 1.4 per cent in the previous financial year.