North India:
* Jim Corbett National Park: Uttarakhand
* Rajaji National Park: Uttarakhand
* Dudhwa National Park: Uttar Pradesh
* Kanha National Park: Madhya Pradesh
* Pench National Park: Madhya Pradesh
* Bandhavgarh National Park: Madhya Pradesh
* Panna National Park: Madhya Pradesh
Northeast India:
* Kaziranga National Park: Assam
* Manas National Park: Assam
* Orang National Park: Assam
* Nameri National Park: Assam
* Pakke Tiger Reserve: Arunachal Pradesh
* Namdapha National Park: Arunachal Pradesh
Central India:
* Tadoba Andhari Tiger Reserve: Maharashtra
* Pench National Park: Maharashtra
* Melghat Tiger Reserve: Maharashtra
* Kanha National Park: Madhya Pradesh
* Bandhavgarh National Park: Madhya Pradesh
* Panna National Park: Madhya Pradesh
South India:
* Bandipur National Park: Karnataka
* Nagarhole National Park: Karnataka
* Kabini Wildlife Sanctuary: Karnataka
* Mudumalai National Park: Tamil Nadu
* Periyar National Park: Kerala
Other Regions:
* Sundarbans National Park: West Bengal (Bengal Tiger)
* Similipal National Park: Odisha
* Satpura National Park: Madhya Pradesh
* Gir National Park: Gujarat (Asiatic Lions, not tigers)
It is important to note that:
* Tiger populations are not evenly distributed across India.
* Some areas have higher densities of tigers than others.
* There are also smaller tiger populations in other regions, not mentioned here.
For the most up-to-date information on tiger distribution in India, it is recommended to consult official sources from the National Tiger Conservation Authority (NTCA) or other conservation organizations.