Credit cards, Aug. 29 -- Do you travel often by air and happen to cross-cross the length and breadth of this country? If that is the case, you must have encountered numerous cases when you had to wait at an airport lounge for a long time before departure simply because you reached long before your flight is scheduled.

Witnessing the long queues of tourists at the entry gate of airport lounge is a fairly common sight these days.

What, however, can be off-putting is to be turned away from the reception of airport lounges because your credit card - you just learnt - does not offer lounge access anymore. Is this because of the change of a rule or you simply ran out of maximum limits? Or was there some other reason?

Remember that if you hav...