Explanation:

.Chhatbir Zoo (formally Mahendra Chaudhary Zoological Park), is a zoological park situated at Mohali close to Zirakpur, India. The zoo was constructed in the 1970s and is home to a large variety of birds, mammals and reptiles. The zoo was inaugurated on 13 April 1977 by the then governor of Punjab Mahendra Mohan Choudhury and it was christened as Mahendra Chaudhury Zoological Park. Initially the zoo was populated by a small number of animals brought from Guwahati Zoo, Assam and it soon became the largest zoo in Northern punjab India .