Will be posting photos I have taken from mosques in this month of Ramzan
The first line reads
It means both “God is perfect” and “Glory to God.”
It’s often said as an expression expressing awe.
So instead of Wow! You say SubhanAllah as an exclamation of wonder at His attributes, bounties, or creation.
( This is from the mihrab in the Purana Qila, Qila e KuhnaMosque)