Corporation Bank — funds transfer issue

Address:

N0 25 1st main 8th cross new gurrapan palya bannergatta road, 560029

Hi sir/ madam i had done an upi transction on april 3rd and i have given compalints sevral times to branch and head off but the sraff are not responding it has taken 22 days but still problem did not resloved and sevral time i have put a mail but i did not get any respones so who is responsibl for this amount so get it clear and reverse my amount back to my account by today 24/4/19 or i whould not be responsible for any problem