Correct Option: B

Assuming national income being measured as the Gross Domestic Product (GDP), the lion’s share in the national income of India is of the SERVICE sector (tertiary sector) which stands at 57% in 2013. India’s dynamic services sector has grown rapidly in the last decade with almost 72.4 per cent of the growth in India’s GDP in 2014-15 coming from this sector. (Source: Economic Survey 2015-16).