Is any lounge access available st London Heathrow T3 using niyo sbm card?
No .
Lounge access is in India only.
Hey @Sky4axis! Welcome to Niyo Community!
As @Irshad_Ali said, currently, the airport lounge access facility is available in Indian airports. Know more about it here: #FeatureUpdate > Airport Lounge Access ✈️
Regards,