You may obtain certified copy of the decision of Lok Adalat and submit a written representation ( under proper acknowledgment) addressed to the opposite party e.g. BM, Chairman of the bank, quoting decision of the Lok Adalat, and mention to supply you all documents as per decision within say 7days by redg/speed post only.
Bank is also duty bound to obtain copy of the decision and supply you all documents as per decision.
After the date of decision if bank has not received the copy of decision bank is duty bound to apply and obtain the copy and supply you all documents as per decision/order of Lok Adalat.
You can also submit a written representation by email/letter and quote jist of the decision of the Lok Adalat and demand from bank the settlement letter within next 7 days by redg/speed post only, and mention that you have represented in person on dated.........(mention all dates) to Mr/Ms...........(mention all names) and despite your representation bank has not complied with the decision of the Lok Adalat, and bank has also not updated the record of the bank and the recovery/collection employees/agents of the bank are till harassing you and are demanding the following from you ................(mention details and date, time of phone calls with phone number and name of calling persons) which is contempt of court.
Bank shall never agree to your verbal statements and bank usually does not put efforts to obtain copy of the decision if bank is not pushed and shaken by the customer.
You may start recording phone calls of the bank.