As far as I understand from the facts mentioned by you, you may perhaps have to file a suit in the civil court for claiming compensation and damages for mental agony, illness and illegal termination, etc., and also for violation (if any) of the contract of service. However, to get an accurate advice, you should consult some local lawyer in your area, preferably some lawyer who is expert in labour laws / service laws, by showing him all the relevant documents and details.
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