Join the new company after sending resignation by registered post.
Write to the company to confirm deposit of PF stating you will take legal action for not depositing the same.
Note for you: non deposit of PF is a criminal offence. You can write this to them also if you think this will fit with reference to your relationship with your company personnel.
Write them to issue Form 16 . Inform to Income tax authorities if not issued.
After joining demand for your final payments. And take legal recourse if not settled by them.
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