Correct Answer: (b) Services
Solution:According to the data released in question period and February 2023, the service sector has the highest contribution in India's national income. As per the data released in January, 2023, the contribution of primary sector is 21 per cent, secondary sector is 26.5 per cent and tertiary sector is 52.5 per cent in GVA at basic prices in the year 2021-22 (1 RE.).