What is a credit card?

https://www.investopedia.com/terms/c/creditcard.asp

What is a credit score?

https://www.investopedia.com/terms/c/credit_score.asp

How to check your credit score?

CIBIL: https://www.cibil.com/

Which credit card to apply for the best rewards?

Citibank: https://www.online.citibank.co.in/credit-card/rewards/citi-rewards-credit-card

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