You may submit a carefully structured letter under acknowledgment, addressed to your appointing authority, MD, Chairman, Company Secretary, company personnel who have signed on the bond on behalf of the company, with a copy to Head-HR, mentioning the facts as posted by you e.g. wages are not paid on time for last 8 months [mention set date of payment of wages( as mentioned in appointment letter, certified standing orders, employee hand book etc) and actual date of payment of wages for each month], failure to deposit PF dues ( attach snap shot of your PF a/c from EPFO website) and ask for comments of the good offices. You may conclude that company defaulted and failed miserably on its duty and became unworthy of being employed with.
The bond becomes defunct and shall not remain applicable to you. Company on its own may cancel the bond and confirm it in writing by letter under original seal and signature by hand of good offices to be supplied to you by redg post/speed post so as to reach you say with in next 7 days. You may mention that a postage prepaid ( as purchased from post office) self addressed envelope for sending redg post/speed post is enclosed herewith.
You have the option of reporting the company to O/o APFC, RPFC, Addl CPFC, CPFC ( check if this company is included in list of defaulters on epfo website and if not you may submit a representation to these offices), Wages Inspector ( if your wages are below rs.16000/pm), Chief Inspector under SE act , O/o Labor commissioner etc.
Do you have the copy of bond signed by you? If not you may ask to supply you the certified copy of the bond along with the letter that the original has been destroyed or that original should be destroyed in presence of yourself, company personnel who have signed on the bond on behalf of the company, sureties ( if any) , on a mutually convenient date and time. If there any sureties let them also write to company and withdraw from bond.