Explanation:

- Option 1: Verghese Kurien

- Known as the "Father of the White Revolution" in India.

- Instrumental in the Operation Flood program, making India one of the largest producers of milk.

- Option 2: Sam Pitroda

- Not directly related to the Blue Revolution.

- Known for his contributions to India's telecommunications revolution.

- Option 3: Hiralal Chaudhuri

- ?? Known as the "Father of the Blue Revolution" in India.

- Pioneered the development of freshwater aquaculture.

- Option 4: M.S. Swaminathan

- A key figure in India’s Green Revolution.

- Helped increase food grain production through modern agricultural techniques.

Your answer is option:3- Hiralal Chaudhuri.