Dispute on resignation acceptance

Is the information on non acceptance on record (audio/visual)/ in writing?

What is the reason for Non Acceptance?

Is it because of some Inquiry/Fraud?

If yes or even otherwise approach a local Labor Consultant/Service Matters Lawyer with all record and proceed under expert advise of your lawyer. 

Resignation can be without permission and notice.

You have submitted notice of resignation, served notice period  and you may submit final resignation by letter thru Redg. post.

You may go thru many threads that you may find relevant:

 https://www.lawyersclubindia.com/forum/Whether-notice-period-has-to-be-given-during-probation-91808.asp#.UwDFP0eBmXU

https://www.lawyersclubindia.com/forum/Notice-period-nad-absconding-employee-92345.asp#.UpMpStIW1MA

https://www.lawyersclubindia.com/forum/Mnc-issuance-of-experience-certificate-re-leaving-letter-92229.asp#.UoiogdKAqWM

https://www.lawyersclubindia.com/forum/One-sided-notice-period-92171.asp#.UoiondKAqWM

https://www.lawyersclubindia.com/forum/Query-regarding-relieving-letter-and-continuity-bonus-92151.asp#.Uoio6NKAqWM

https://www.lawyersclubindia.com/forum/Whether-notice-period-has-to-be-given-during-probation-91808.asp#.UoSg3nCAqWM

 https://www.lawyersclubindia.com/forum/Notice-period-92146.asp#.UoTD33CAqWM

https://www.lawyersclubindia.com/experts/Different-notice-period-for-employee-and-employer-during-probation-432151.asp#.UoTGvHCAqWM

You have been properly advised by Mr. Kumar Doab.  You may follow his advise.