In other thread initiated by you at:
https://www.lawyersclubindia.com/forum/Reliving-letter-94104.asp#.UrKAc9IW1MA
it has already been pointed out that:
Model Standing Orders:
13. Termination of employment.- (2) No ....................... probationer................. shall be entitled to any notice or pay in lieu thereof
16. Certificate on termination of service.--Every permanent workman shall be entitled to a service certificate at the time of his dismissal, discharge or retirement from service.
NOTE. - There is a provision under this Act for issuing a service certificate at the time of dismissal, discharge or retirement and every person is entitled to take such certificate.
17. Liability of 17[employer].--The [1][employer] of the establishment shall personally be held responsible for the proper and faithful observance of the standing orders.
The internal policies of the company can not be and are not law of the land.
The private policies of the employer/establishment do not and can not prevail upon statues and enactments applicable to the establishment. The law of the land, statues and enactments shall prevail upon private policies of the employer/establishment.
You may without any hesitation approach the forums, persons, lawful authorities already pointed out in other threads initiated by you.
You may affirm to handover the charge and company property if any under proper acknowledgment.
The NDC certificate is issued after settlement of account and relieving letter signifies nothing is due against employee and employee has been relieved from establishment.
To handle such employers and such issues employees should form unions, IC’s, Works Committee’s and be member of trade unions.