Solution:Both Sariska and Ranthambore are the national parks for the protection of tigers.Sariska Tiger Reserve:
In the Indian state of Rajasthan's Alwar district is the Sariska Tiger Reserve. It covers an area of 881 km2 and is made up of rocky hills, grasslands, dry deciduous forests, and scrub-thorn desert forests. In 1958, the Alwar state's hunting preserve was transformed into a wildlife sanctuary. In 1978, it became a tiger reserve, becoming a part of India's Project Tiger. In 1982, the wildlife refuge was designated as a national park.
Ranthambore Tiger Reserve:
In Rajasthan, India, there is a national park called Ranthambore National Park. The Chambal River and the Banas River form its northern and southern boundaries, respectively. It is so called because the park's inside contains the illustrious Ranthambore Fort. On November 1, 1980, it was designated as a national park. It has been one of the Project Tiger reserves since 1973.