A Keynote Address by Head of Ahmadiyya Muslim Community at Inauguration of “Khilafat Hall” in Sydney On 18th October 2013, the Worldwide Head of the Ahmadiyya Muslim Jama’at and Fifth Khalifah, Hazrat Mirza Masroor Ahmadaba, officially opened the “Khilafat Centenary Hall,” built next to the Baitul Huda Mosque in Sydney, with the keynote address at