15 National parks in India known for Tiger spotting 

1. Jim Corbett National Park - Uttarakhand

2. Ranthambore National Park - Rajasthan

3. Kanha National Park - Madhya Pradesh

4. Bandhavgarh National Park - Madhya Pradesh

5. Pench National Park - Madhya Pradesh

6. Sunderbans National Park - West Bengal

7. Tadoba National Park - Maharashtra

8. Nagarhole National Park - Karnataka

9. Bandipur National Park - Karnataka

10. Satpura National Park - Madhya Pradesh

11. Bhadra Wildlife Sanctuary - Karnataka

12. Sariska National Park - Rajasthan

13. Panna National Park - Madhya Pradesh

14. Dudhwa National Park - Uttar Pradesh

15. Periyar National Park - Kerala