Received: 27 October 2020
Accepted: 25 May 2021
First Online: 29 May 2021
: The study was conducted in compliance with the ethical standards. All the procedures prior to their implementation were approved by the Ethical Committee of State Forensic Science Laboratory, Directorate of Forensic Services, Shimla, Himachal Pradesh with the approval of Zoological Garden, Alipore Kolkata vide letter no 1076-ZGA/17–18 dated 14/03/2018. The written consent for forensic investigation and analysis was provided by Zoological Garden, Alipore Kolkata.
: Not applicable.
: The authors declare that they have no competing interests.