Sanjay Gandhi Biological Park

Sanjay Gandhi Biological Park, commonly known as Patna Zoo, is a 153-acre zoological and botanical park located on Bailey Road in Patna, Bihar. Established in 1969 as a botanical garden and opened as a zoo in 1973, it houses over 800 animals, birds and reptiles, an aquarium, rose garden, lake and toy train. It is one of Bihar's most visited recreational and educational attractions, combining wildlife conservation, botanical display and family leisure facilities.

Visitors can expect a large green campus with animal enclosures, aviaries, reptile house and aquarium, a central lake with boating facility, rose garden, botanical nursery, toy train circuit, and shaded walkways. The park displays tigers, leopards, rhinoceros, hippopotamus, elephants, deer, primates, crocodiles and numerous bird species. Areas for walking, photography, family picnics and educational exhibits are spread across the 153-acre grounds with paved paths connecting major sections.

Established in 1969 as a botanical garden by the Governor of Bihar, Nityanand Kanungo, with 34 acres. Expanded to 153.67 acres and converted into a zoological park in 1972, opened to the public in 1973 as Sanjay Gandhi Biological Park. It was developed to combine botanical conservation with a zoo for wildlife conservation, education and recreation.

Serves as Patna's principal recreational, educational and conservation centre, widely visited by families, students and tourists for environmental education and leisure. Hosts educational programs and is an important green space in urban Patna.