# No.of days delayed in making payment x 12% p.a Penal Damages under section 14B: # No.of days delayed in making payment x 5% p.a (Less than 2 months) # No.of days delayed in making payment x 10% p.a (2 months and above but less than 4 months) # No.of days delayed in making payment x 15% p.a (4 months and above but less than 6 months) # No.of days delayed in making payment x 25% p.a (6 months and above)