Received: 21 February 2020
Accepted: 28 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: Ethical approval reference number CFSL/38(119)/Estt/4547, Central Forensic Science Laboratory, Directorate of Forensic Science Services, Ministry of Home Affairs, Govt. of India.
: Not applicable.
: The authors declare that they have no competing interests.