New Delhi, April 14 -- Having an impressive credit score is vital to be able to raise a loan at a convenient rate of interest. Someone with a high credit score can easily pull off a better deal in terms of low rates of interest and a higher loan amount. On the other hand, someone with a poor credit score is unlikely to get a loan approved for a big amount. And even if he gets the approval, it is likely to be at a high rate of interest.

There is a misconception that only those customers who default on their payments have a poor credit score. There could be multiple reasons for a poor credit score. Here we list out some of the key mistakes which credit card users should avoid to maintain a high credit score.

I. Paying minimum due on credi...