Sher Shah Suri Mosque - Credit: Wikimedia Commons
Sher Shah Suri Mosque, also known as Shershahi Mosque, is an example of the Afghan style of architecture.http://www.splendidindia.com/destinations/bihar/traveling-to-shershahsurimasjidpatna.html Sher Shah Suri built this mosque in 1540–1545 to commemorate his reign. It is sited in the south-west corner of Purab Darwaza near Dhawalpura. Read more on Wikipedia
Source: en.wikipedia.org