New Delhi, Sept. 8 -- Today is International Literacy Day, a perfect moment to talk about financial literacy, not just reading and writing. For millions of new investors, knowing how money works is the difference between building wealth and falling into debt traps. Credit cards, in particular, have exploded in popularity; the number of cards in the country has more than doubled in just five years.

But with that growth comes confusion, and too many people are still guided by half-truths and outdated beliefs. To cut through the noise, here are five of the biggest credit card myths you need to stop believing right now.

Having a credit card is nothing but a credit line. In reality, it can improve your credit score if managed correctly. Agai...