As per terms and conditions of your appointment letter submit the reply in writing under acknowledgment, addressed to good offices of your appointing authority, MD, Head-HR and request them to acknowledge the receipt of resignation ( if any submitted by you and if your have not submitted by email attach a copy of your resignation letter sent by post) and to adjust the notice pay ( if any, and @ basic/gross pay as per your appointment letter) in your FNF statement and supply you the FNF statement so that you can make the payment if any due at your end by a crossed a/c payee cheque favoring company.
You may request to issue the receipt of cheque on the spot and supply you the acceptance of your resignation, work experience/service certificate, relieving letter, form 16 as per FNF statement in which notice pay has been adjusted, settlement of your a/c, PF number, PF accumulation reports, PF withdrawal/transfer forms etc..
If there were any circumstances/reasons for leaving the job e.g. undue pressure, harassment, unreasonable approach of superiors etc, you may mention the same in gentle manner.
As suggested by Mr.,Kameswarao approach the good offices, and preferably seek an appointment in writing and clear the bad air and resolve the matter amicably.
It is always better to consult elders in the family, competent and experienced well wishers, before taking such steps and inviting trouble. They shall be able to advice you how to address your issues in a better way.