The zoo has an adequate Veterinary Hospital building. The Hospital has adequate space for examination and treatment of sick animals. It has basic equipment and instruments for examination, treatment and rescue of different wild animals. There is an X-ray unit and an Operation theater attached with the hospital. The facility of Incubator/ Brooding room is also available for the purpose of incubation / brooding of different pheasant and birds during their breeding season. However, there are plans to update the veterinary equipment inventory as recommended by the Central Zoo Authority as per the category of zoo.
Zoo veterinary hospital has laboratory for routine fecal and urine sample examination. This is also equipped with emergency medicines, routine treatment oral feed supplements, de-wormer, vaccines and tranquilizing drugs. Tranquilizing equipments with necessary chemical drugs for chemical capture or immobilization ofanimals. Restraining equipments like net, squeeze cages and shifting cages for physical restraining of animals. Varieties of kraal are for rescued animals,orphaned animal for hand rearing and disease animal for treatment.
At present there are cages for treatment of sick and injured animals. Nainital zoo has 2 cells each for carnivores and herbivores.
Quarantine ward has constructed for rescued and injured animals.
A post mortem house is constructed for P.M. of zoo animals.