challenge: Where is Syedna Yusuf Najmuddin's grave located?
  
  A. Qubba Najmiyah, Mazar-e-Saifee in Surat
  B. Mazar-e-Saifee in Ahmedabad
  C. Maula Ali's shrine in Cairo
  D. Bharmal clan's ancestral home in Yemen
  Answer: 