Flipkart axis credit card repayment

I have got the card 2 months ago. I have credit limit of 17k only. First month i utilized fully. The statement generated on 15aug(15 jul to 15 aug) I paid 17k through axis bank app. After two days again i got complete 17k credit limit. Still the due date for aug billing is sep 4 and it shows the same as 17k is on due. Now i utilized aug – sep limit 17k and i made payment of 6k through cred app. Now my credit limit is increased within the next billing date. Still am confused about their billing date and payment methods :sob::sob:. They said 2 lakh annual spent will wave off 500 annual charge. I have 17k limit. Which means i have to completely utilitize everymonth to reach 2lakhs. Or can i pay through cred app and increase my credit limit of the month instantly and can spend even 50k per month. Will it be counted for 2lakhs spent! I don’t know