You may reply to their letter, addressed to your appointing authority with a copy to personnel who has signed the letter, and explain that you have supplied the resignation and it is in the notice of your superiors and HR who have discussed the receipt of resignation with you on dated…………in person and on phone (provide details).
Pursuant to your resignation you have expressed time and again in person/on phone/written communications (provide details) to complete the settlement process.
Your dues e.g. acknowledgment/acceptance of resignation, settlement and payment of dues, FNF statement, work experience/service certificate, reliving certificate, form 16, PF accumulation reports, PF withdrawal/transfer forms, which should have been released within dated………(your last day in office post resignation) should be released and notice pay may be adjusted in FNF statement. You may mention that all communications should be dispatched to you by registered post only and if company states so in writing you are willing to supply self addressed postage prepaid envelopes for the purpose of getting all communications by registered post only.
It is believed that you have submitted company property and has handed over the charge, under acknowledgment and no case/enquiry is pending against you and you have come out with clean hands. Collection agents/Heads may have some issues due to bad practices which they usually follow.
Many amongst Management/employers and HR behave as Zimindars even in present era and do not mind stepping on the toes of employee. The basic reason would be that most of the employee do not peruse criminal case and press for punishment and behave like praja of the raja.
You seem to have a perfect case to bring the management and HR personnel to their knees.
You can issue a terse, to the point reply, under acknowledgment, to the letter of the company, and you may address your letter to your appointing authority with copy to the personnel who has signed the letter of the company, and may mention that:
-You have supplied your resignation, under acknowledgment, to the company. (It is believed that you have the acknowledgment and you have submitted the hard copy also under your signatures by hand)
-Despite having received the resignation, appointing authority has arranged to issue a letter with malafide intentions, declaring you absconding, while you are not absconding, and has issued threat in writing that your employability and current source of livelihood shall be finished. You were due to retire at the age of …………..years ( as in appointment letter of past employer) and ….years( as in appointment letter of current employer) an during this period you are ought to get promotions/ better remuneration/increments/perks etc as you shall grow further. You had started your career from the post of ………..in year with a salary/CTC of Rs.……..and in year …..You had become ………….State Head-Collections, and resigned from company as State Head-Collections with a salary/CTC of Rs……….
You shall be entitled to seek compensation from company from to date to attaining age of retirement for marring and spoiling your employability. You are contemplating to seek legal opinion and initiating for criminal intimidation, coercion, threat and all this shall be at their cost and consequences. The signatory of the letter and one and all involved in decision to issue this letter shall be charged in their professional and individual capacity. Company and concerned personnel should beg apology in writing, at once.
Most of the personnel in management/HR state verbally/in writing believing that the employee shall be terrorized and shall come back running and pleading, and this actually happen. Such personnel in management and HR should be taken to task.
Reliving letter is issued post all clearances. FNF, NDC, submission of company property is as good.
You can lodge complaint at your last HQ from which you resigned. You may show all docs, records, communications, resignation letter appointment letter, employee rule book, standing orders, etc to your lawyer and your lawyer shall do the needful, and may chose to approach o/o labor commissioner.