India’s CO₂ emissions come mainly from fuel combustion, especially electricity generation, and per capita emissions are higher than 0.5 tonnes.

❌ Statement I is incorrect:

• India’s per capita CO₂ emissions are around 1.9-2.0 tonnes, higher than 0.5 t CO₂/capita.

✅ Statement II is correct:

• India ranks second in the Asia-Pacific for total CO₂ emissions from fuel combustion, after China.

✅ Statement III is correct:

• Electricity and heat production (mainly coal-based) is the largest source of India’s CO₂ emissions.

So, the correct answer is: C