You can file a civil suit for compensation if anything is done by you in furtherance of promise by bank to advance you loan. Anything like any payment made to bank, any expenditure incurred, any effort made, like postponement of travel plan, cancellation of tickets etc. You are entitled to appropriate reimbursement and compensation for mental harassment. You can also FIR a complaint in District Consumer Commission under new Consumer Protection Act, 2019 under which proceedings are very fast.