Brokerage Dispute

for F&O Fyers charging flat 20 Rupees per order. right?

noticed a few high charges for the following dates. can anyone clarify?

Date         Charge per order

13.02          25

14.02          30

27.02          30

01.03          30

03.03          30

....................... goes on

also wanna maintain a journal in excel format. could you help me by sending the formula for that

thank you