Owner voluntarily given her land agasint guarantee of  loan. You had to beware before purchase of any such encumbrance. Bank right is prior on land. And you have been cheated by seller. File FIR against them.

And if land is under agriculture use, than bank cannot proceed agasint the land. No attachment under sarfaesi.

Bank cannot force you but can proceed agasint the land, No recovery from you,

Only one case will proceed - DRT. File application u/s 10

You are not at all liable to pay anything, neither land can be attached. Put there under absolute agriculture use.

1. Stamp duty will be applicable. 

2. Agricultural land is generally free from attachment. 

3. Only through a decree of the court but agricultural land is protected. 

4. Bank has to adhere to your request if you wanted to pay the loan. 

5. If there is any deficiency then you can file case at consumer court. 

Dear 

If that person has put land as guarantee for loan and you were aware of that loan before filing the court case then you are bound to clear the loan for which the land has been put as guarantee.

Bank can only force you to pay the loan linked to that land and not other loans of borrower. 

If you are ready to clear the loan with Interest the bank have no right to hold your no dues.

Yes you can file suit for mandatory injunction against bank to clear the loan related to that land and provide you NOC.

1.  Your question is not clear especially from the contents you have narrated to that of the question posted which contradicts to each other.

You have bought the property and got a court decree in your favor and direction to the bank to release the document whereas the bank is giving a different story now, hence you may have to initiate action against bank as per court orders.

2. If the bank has accepted the agricultural property as collateral security then you cannot do anything about it, however you can approach court once again with a petition seeking direction to bank to release the property documents immediately, let the bank answer the court after getting notice.

3. Let the bank inform the court about this while refusing to release the property document, you can take a decision after that.

4. You were advised to approach court once again in case you find any difficulty due to bank's adamant attitude,  let the bank answer the court to your petition on this.

5. You can challenge the same according in all the courts.

6. You may have to approach court once again with another petition seeking relief against the bank.