What is the purpose of these 2 nameservers, do you have another web hosting where you want to set up these nameservers?
If yes, first contact your web host to give you the server IP for nameservers, and then first create child nameservers
https://webji.myorderbox.com/kb/servlet/KBServlet/faq456.html
Follow the steps mentioned here.
To do this, you need Domain Name Panel steps to access the same at https://billing.webji.in/knowledgebase/4839/Domain-control-panel-under-PDR---Public-Domain-Registry.html
Note: These steps are applicable only if your domain name is booked under PDR registrar. Contact our team at support@webji.services if this is the case.