CPAO reject my RTI and return my application along with fee.

Dear Sir I filed a RTI, with State bank of India on 23th May,2019. for some providing some document because its come to my my knowledge that some employee of said bank made fake car/taxi bill and taking money from bank by passing theses fake bill . so i send RTI to concern department to provide the copy of taxi bill paid by department to taxi driver and i also request to provide the details of bill in Excel format i.e.bill date , car provider name , bill date, amount of bill, pay date, and purpose for hiring . but sbi refused my RTI and return my postal order along with my RTI application , there are some line written by Sbi in there reply as are under my req > please provide the account statements of charges account travelling bill for the period 01/04/2014-31/01/2016 paid bt bank to your officer and employee . bank reply > (1) we cant not provide information under RTI act.7 (9) ( apake dwara mangi gayi jankari mange gaye farmet ke aadhar par uplabdh nahi hain ) in this reply CPAO not given address for Appellant Authority or any other information Pls. guide.