Devyani International — My FNF was not clear

It's been a months i have not got my FNF clear in this company, when i resigned from my post it was a mutual understanding between me and the area coach who is Noor and subhajit, HR Anup and Dominic sir has all the mail documentation but still it has not been cleared and i even mail to there Director and the who is Ravi jaipuria but still they are not releasing my FNF please do not work on this company and what is happen with me i really don't want that to happen with anyone else such a shameful...