I was serving with a Hyderabad-based public limited company as General Manager (B.D.), and my duties were to do business development, find joint venture partners, and secure contracts. They compelled me to resign on the grounds that they had lost confidence in me due to providing tender information to another party. However, I had shared this information to form a joint venture with them. This entire scenario was a fabricated story. They informed me that if I did not resign, they would terminate me. Consequently, I submitted my resignation and handed over all company documents and property. Despite this, they have not released me, settled my accounts, provided my dues, Form 16A for TDS deducted, or returned my personal documents that were in the company premises. I have sent at least three emails and one letter to the HR department, but I have not received any response. Currently, I am unable to obtain a relieving letter or access the office. I fear they may interfere with my new job. Please advise on the appropriate course of action.