National parks in India are IUCN category II protected areas. India's first national parkwas established in 1936 as Hailey National Park, now known as Jim Corbett National Park, Uttarakhand. By 1970, India only had five national parks. In 1972, India enacted the Wildlife Protection Act and Project Tiger to safeguard the habitats of conservation reliant species. Further federal legislation strengthening protections for wildlife was introduced in the 1980s. As of April 2012, there were 112 national parks. All national park lands then encompassed a total 39,919 km2 (15,413 sq mi) , comprising 1.21% of India's total surface area.A total of 166 national parks have been authorized. Plans are underway to establish the remaining scheduled parks.