Karnataka Bank — Worst service on car loan

I have applied car loan in Karnataka udupi ambagilu branch, i have told to the manager about loan so he told that to open a savings account, finally i ve opened.after i have given Income tax return file also i ve told him to upload IT file in loan but that executive not uploaded so thats why lan been rejected... I had proper income statement on IT as well bank statement 1 year... I want to knw why he is not uploaded... Their is no proper answer...One of the worst bank i ve ever seen their is no proper information on executive also i ve told to branch manager he is also not given answer... As a public or customer i need proper answer on this its very bad attitude...