You have done well by submitting notice of resignation.
Have you kept proof of dispatch and POD and have you obtained acknowledgment from the company for notice of resignation submitted by you?
What are the precise reasons for deciding to give up this employment?
Why have you words like ‘Dangerous’? Have you been ever threatened, coerced, forced…?
If yes this renders employer as unworthy of being employed with.
Before you decide to pay any bond amount to company, it shall be appropriate to consult a competent and experienced labor consultant/service lawyer with copies of job advertisement, interview call letter, offer letter, selection letter, appointment letter, joining report, bond, NDA, notice of resignation etc, give inputs in person, let your lawyer analyze the merits, and you may proceed under expert advice of your lawyer.
Your lawyer can handle a ‘BOND’ even if it is James Bond.
In the mean time you may go thru the attachments.
If you wish to attach any document in this thread you may erase the names etc to maintain the confidentiality.