Credit Cards   Types of cards

About the Types of cards category (1)
Is there a common currency travel card I can opt for? (6)
How are IndusInd Bank credit cards? Is there any card with festive deals worth considering? (3)
Are co branded credit cards worth it? (3)
I am having a credit card with zero annual fees. Now my bank is offering me a higher credit limit. Will that change the charges i am currently paying? (3)