Deficiency in RFD-01

i had filled RFD-01 for export without payment of tax.i received a deficiency please guide me what to do
deficiency remark- upon checking it has been noticed that the claimant has not been submitted undertaking in relation to section 16(2) and section 42(2) with the refund application.hencw deficiency memo in RFD-03 issued in the instant refund application