Break the bond

hi even for me also same, even i am in a bond they have taken my educational documents and 50000rs security check,

Now the issue is, HR as misguided/lied stating there is a medicall billing job which i was interested to work in. but after joing the process team i came to know job what they offered is totally different, now i dont want to work but HR is telling me that you signed the bond so you have to pay 50000rs to get my educational documents, please help...................