All India Council For Technical Education [Aicte] — Not able to get my original certificates after my break period

Worked in mvj college of engineering banglore.pls help me to take my original certificates back after my break of one year (for which I got leave approved.medical issues)they are not giving guarantee of continuation of my job nor my certificates.They are telling to take certificate by paying money.I waited for three months.three month notice period I am ready to complete but they are not allow ing to join back.then atleast they should return my original certificates.they are asking to pay 3 months salary.I am mentally stressed.
Hema Latha
Phone no [protected]