Explanation:

- Option 1: Lion – The Asiatic Lion is the national animal of some Indian states, but not the national heritage animal of India.

- Option 2: Horse – Horses hold cultural significance in India but are not designated as any kind of national symbol.

- Option 3: Tiger – The tiger is the national animal of India and also recognized as the national heritage animal. It symbolizes strength, power, and India’s rich wildlife.

- Option 4: Elephant – Elephants are important in Indian culture and religion, but they are not officially the national heritage animal.

Correct Answer: Option 3 – Tiger