Wow...folks have impressive collection of cards!!! Hats of to the effort of managing these many cards...
I guess I'm at the opposite end of the spectrum. Just 4 active cards (one of them an addon
)
1) Amex Platinum Charge
2) Amex Platinum Travel (companion to Platinum charge)
3) HDFC Infinia
4) HDFC Regalia Gold (add-on from wife)
Didn't feel the need for more cards yet and tbh don't want to take the effort of managing too many cards.
May add a rupay card and HDFC Marriott in future if needed.