Well, apparently, it seems this sort of extortion/exploitation is quite common in India. I am experiencing the same on my end for the last 3 months. Multiple WhatsApp messages, multiple confirmations of finalizing the documented procedure, and finally the threatening tone because of asking about delays. There is some leftover salary as well.
All in all, there is no power on the side of the employee in this entire situation. What are my options now? I have sent an email finally few days before but still no reply from them.
I have served a complete notice period as per contract and the excuse I am being given for delays is that I haven't completed my assignment due to which the company suffered revenue loss; this after I completed the project transfer procedure with another developer.
This is mentally draining and I wonder if I can do something against the employer without compromising my future endeavors.