"“…Delhi was the source of artistic inspiration for all the later provincial schools of Indo-Muslim architecture. Codrington remarks, ‘At Delhi, the Kutb-ul-Islam marks the beginning of Islamic architecture in India.’ This formative phase of Mosque architecture in India began with the random utilization of temple spoils, Hindu architraves, corbelled ceilings, kumbha pillars with hanging bell-and-chain motifs, which were organised to fulfil the needs of congregational prayer. It is said that the columns of twenty-seven Hindu and Jaina temples were utilized in the great Mosque, at Delhi, rightly called the ‘Might of Islam’. It was built by Qutb-al-Din Aybak in AH 587/AD 1191-92 on an ancient pre-Muslim plinth. …Originally there were five domes in the liwan all compiled of Hindu fragments, as is evident from their corbelled interiors…"