After the rise of the Mongols, the cities which were centers of Islamic art and sciences started wearing deserted look; poets, scholars, painters, theologians, artists, architects, and calligraphers along with their dear to heart collections of hand-written books, migrated to Dār al-Islām Dihlī (Delhi), the imperial city of India during the Sultanate period.
Delhi had many localities named after the migrants of different cities of Uzbekistan, during the Sulṭān Balban’s time (reigned 1266 – 1287 C.E.), e.g. Muḥalla-i Khwārazm Shāhī, Muḥalla-i Samarqandī, Muḥalla-i Khitā’ī, Muḥalla-i Tāshkandī, etc.
There was a great number of scholars well-versed in Quranic sciences and Hadith literature hailing from Bukhara and Tirmiz. Mʻimārs (architects) from Samarqand became popular for their skills and also for use of colored glazed tiles on the buildings. The disciples of Ibn-i Sīnā popularized the Unani System of Medicine (ṭibb-i ūnānī) in and around Dihlī and also in various regional principalities in Malwa, Bengal, Gujarat and Deccan. Carpet weavers and glass-makers made the interiors of the edifices elegant and classy. Perfumers and apparel-makers provided city dwellers an elitist status. Persian literature was enriched by the poets and writers from Uzbekistan.
You can learn more about the topic in the book-album "Literary legacy of Uzbekistan in the Collection of the Rampur raza Library" (volume XXXIII) in the series "Cultural legacy of Uzbekistan in the Collections of the World".
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