You may submit thru redg/speed post, a gentle representation in writing by letter ( covering all representations made by you so far date wise by email/phone/letter etc) addressed to good offices of your appointing authority, MD/CEO, Head-HR to supply you by redg/speed post only, within say next 15 days:
-acknowledgment of notice of resignation and resignation separately and accpetance of resignation.
-FNF ( Full and Final ) statement on letterhead of the comapny under original seal and signature of competent employee.
-Work experience/service certificate ( which you have mentioned as received).
-Relieving letter.
-Bonus.
-Form 16, PF number,PF accumulation reports/withdrawal-transfer forms. It shall be better if you transfer the PF to new employer.If you keep you a/c regular for 10 years you shall be eligible for pension.If you withdraw you shall loose from pension component.
www.epfindia.gov.in,www.epfindia.com
-acknowledgment of company property submitted by you, if any.
-NOC/NDC.
-payment of your dues by bank DD only thru redg/speed post only. Employer should pay the wages of employee on last day in office/within next 2 days.
If the comapny does not provide relief you can approach o/o Labor Commissioner/wages inspector or your lawyer.