The move comes after the near-fatal Elephant Endotheliotropic Herpesviruses (EEHV) claimed the lives of two mammals in three weeks.
A ten-year-old male elephant Chandan died at Nandankanan Zoological Park on Sunday, possibly due to herpesvirus infection.
The zoo remains closed every Monday but the park authorities welcomed residents of villages located close to Nandankanan and Chandaka for the celebrations.
Tigress Priyanka died due to old age complications at Nandankanan Zoological Park on Monday. Now, the zoo has 26 tigers and tigresses.
World Elephant Day, an international event observed on August 12 since 2012, is dedicated to the preservation and protection of elephants.
Commissioner of Police Satyajit Mohanty inaugurated the training programme for police personnel and officers at Indian Institute of Tourism and Travel Management, Bhubaneswar.
While air-coolers (without water spray) have been installed for chimpanzees, ice slabs are being provided to enclosures of tigers, lions and bears for giving a soothing effect to their tongues.