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First Islamic (tomb) in India: Sultan Ghari (Hindi, Urdu) was the first Islamic Mausoleum (tomb) built in 1231 AD for Prince Nasiru'd-Din Mahmud, eldest son of Iltumish. |
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First true dome: Alai Darwaza, Qutb complex, Delhi, built in 1311 CE, by first Khilji Sultan of Delhi, Ala-ud-din Khilji. |
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First true arch: Balban's tomb, Mehrauli Archeological Park, Delhi, built c. 1287 CE, by Ghiyas ud din Balban of Mamluk dynasty. |
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First garden-tomb on the Indian subcontinent, also the first with Persian double-dome: Humayun's Tomb, Delhi, built 1562-1571 CE. |
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First Mosque in India: Cheraman Juma Masjid Kodungallur (Kerala), built 629-630 A.D by Malik ibn Deenar, an Arab trader on the order of Chera ruler Cheraman Perumal (Tajjudin after conversion to Islam). |