Can your credit card portfolio be complete without an Amex?
Source: Live Mint But with heavyweights such as HDFC Infinia, Axis Atlas and Axis Magnus Burgundy serving up stiff competition, do you really need an Amex card? Ashwin, a credit card enthusiast who tweets as @drgrudge, said given how elusive Infinia and Magnus Burgundy are, credit card users could consider getting an Amex card. “Both…