Request for refund of wrong entry of Cess, which is also paid by mistake

There is an excess payment of Rs..22,450/- has been paid by mistake in Cess column, which is not concerned for the filling. Hence request you to check and confirm and do the needful for the same to my Bank account.

I have filled up the reuired form for refund to the bank, But even filled all the details as per form I am unable to prceed with undertaking and Self Declaration paragraphs can not be selected and unable to proceed further filling.

Kindly help me with more details