Explanation:

- Prussian blue tablet: These are used to treat certain types of radioactive contamination by binding to radioactive particles and helping their elimination from the body.

- Anti-gamma ray skin ointment: This ointment is designed to protect the skin from harmful gamma radiation, useful in case of nuclear exposure.

- Ca-EDTA Respiratory Fluid: It’s intended to help remove heavy metals and radioactive substances from the body through the respiratory system.

- Saline solution: Primarily used for hydration and cleansing; it’s a common medical supply, not specifically for nuclear exposure.

Correct Answer: Saline solution is NOT a part of India’s first indigenous anti-nuclear medical kit.