Which is the largest of the 4 sectors?

In India, the largest of the 4 sectors in terms of contribution to the GDP of the nation is the services sector. Around 60% of India’s GDP contribution comes from the services sector. You can read about the Make In India – Initiatives, Aims, Advantages & Challenges [UPSC Notes GS-III] in the given link.

However, in terms of population, more than 50% of the population in India is still dependent on the Agriculture sector.

Further readings:

1. Department for Promotion of Industry and Internal Trade (DPIIT) & DIPP – UPSC Notes
2. 10 Maharatna Companies – Central Public Sector Enterprises (CPSEs)