What if Rs. 21> 2.5% for the given order traded value?

Brokerage @ 2.5% will only be charged if your brokerage as per brokerage% slab or minimum brokerage per unit exceeds the ceiling at 2.5% per traded order value

Order No	Qty	Rate	Amount	Brokerage Slab(existing) Brokerage* Minimum Brokerage 0.59 0.04	Order level Brokerage(Min) 2.5% Brokerage Minimum 2.5 21	Total Brokerage
xxxxx	1	100	100			2.5