S. 250 : Appeal-Commissioner (Appeals)-Procedure-Collection and recovery-Assessee deemed in default-Sufficient opportunity was provided-Order of single judge dismissing the writ petition is affirmed-Order is modified to the extent to remit 20 per cent of the disputed tax as a precondition for filing a stay petition along with the appeal before the Tribunal.[S. 220(6), 250(4), Art. 226]