Explanation:

- 65.43% (Option 1): This is closer to recent estimates, where the service sector has contributed approximately 60-65% to India's GDP, as it is the largest sector in the Indian economy.

- 55.39% (Option 2): While this is a significant contribution, it is lower than the more recent estimates for the service sector's contribution to GDP.

- 36.54% (Option 3): This is too low compared to the actual contribution of the service sector to the GDP.

- 40.64% (Option 4): This also underestimates the service sector's contribution.