New Delhi, Jan. 29 -- Keeping a credit card in contemporary times is more of a norm than an exception. For instance, if you have acard that has a credit limit of Rs.5 lakh, you can use the same for buying merchandise and for making payments equivalent to this amount.

Usually, card users do not use the entire card limit for obvious reasons. They do not rely on their card for all their expenses, and may defer their immediate expenses to the following month after the current bill is cleared. Nevertheless, it is not uncommon any more for the card users to keep more than one credit card as well.

What is the purpose of keeping more than one credit card, then? Let us understand this in detail.

1.Rolling over of credit period: A credit card ha...