Which of the following is the first national park of India?

The first national park of India is the Jim Corbett National Park. It is situated in the North Indian state of Uttarakhand, and was named in the honour of the famed naturalist, writer, and hunter turned animal conservationist, Jim Corbett. It first opened its doors in 1936. It primarily cares for Bengal tigers. Aside from that, the area has diverse flora and wildlife. It is home to approximately 110 tree species, 50 animal species, 580 bird species, and 25 reptile species.