Final settlement delayed since 2 months

I applied for the resignation on 17th January 2023 and after that, I served the notice period of 45 days which ended on March 16th, 2023. so after that, I requested via email to do the final settlement as soon as possible they are not giving replies to emails and just simply delaying. so I asked them via Skype to the hr team and they said we have noticed some legal issues we will let me know after 2 days I received a mail to sign a no-dues agreement so I signed it after that also I didn't receive the final settlement then again I received a mail ( we want a list of a current employee or ex-employee contacts which you connected now or during the working time ) so as I did not touch with anyone I just screen recorded my phone screen and showed all the activity for proof also and nows when I was asking them is there any update they are just simply saying we have no updates from the team we have requested the team to reply on this asap what to do sir is there any solution can you please help me out