Employment contract, a modern form of free will trafficking.

I need to check employment contract for giving you accurate advice 

well since you have signed the contract you have to adher to terms and conditions therein. However you say that you are not well metally and phsycally ,, that can be good ground, juts get certificate from Phsycatrsit and ssubmit that in the office with your long leave or Resignation. May be that will help, if the offcie will refuse you can file for injuction suit in the court,. Your medical ground could be helpful. but be careful to get things done in such a way that it may not effect your future emloyment with anyother compnay. 

What is the contents and terms of the employment contract? Please post relevant facts.

Well analysed, opined and advised by experts, I agree and appreciate.

You will have to consult and engage a local prudent lawyer for appreciation of facts / documents, professional advise and necessary proceeding to defend you.