The bond was created in lieu of which consideration by company or special favor by the company to employee?
Did the company provide any highly specialized training that added to some exceptional skill or qualification of the employee?
If employer has provided some training for its products, policies, how to handle its counter that should not justify as some training in lieu of which a bond for specials favors from employee can be asked for.
Such training should be provided by employer without any cost to employee.
The days of bonded labor are over.
The employee should not ask to sign for a simple reason that it is has agreed to pay wages for work done by employee.
Such bonds may not stand the test of law and may be termed unconscionable, unreasonable, unenforceable, void………….
If you have signed the bond by your free will that means your consent.
However if the company has provided extended some extra ordinary favors then company may ask for some agreement.
However the cost should be actual and reasonable.
Did you leave by signing resignation? Did you mention in resignation that you have been asked to submit resignation?
If NO then how would you establish that you were ordered to resign?
The company is under obligation to supply the service certificate to all employees.
Relieving letter implies nothing is due towards employee………………………..and if you have completed the tasks, handed overt the charge, company property and bond is also void then nothing is due towards you.
Without wasting time you may show the job advertisement, job application, interview call letter, selection letter, offer letter, appointment letter, Bond, standing orders applicable to the company, resignation, and any other communication that you may have to a lawyer specializing in labor/service matters and proceed under the expert advice of your lawyer.
In he meantime you may go thru attachments and you may find these useful.