A report published on Wednesday said the top zoo in the country has the most exotic animals.
The National Animal Care and Research Institute of India (NACRI), which is housed at the Henry Vilas Zoo, has over 2,000 animals including some exotic animals like crocodiles and crocodile eggs.
The report said, the zoo has the lowest number of domesticated animals such as cows and sheep in India.
The zoo has also the highest numbers of exotic species such as snakes, tigers and rhinoceroses.
The National Zoo, which is located at the city of Kolkata, has a population of over 20,000.