Online Income Tax CIT Appeal filing issue

Dear Friends 

Please help me in this 

I had filled up online form 35 and all other details but at the time e - verification it says data mismatch and not e verified and submitted.

On first page where I had correctly online filled up details like DIN  number of the order and section and all still says data mismatched and then unable submit the appeal. Please how to submit the appeal and department is not accepting offline appeal. How to proceed please guide. Thank you