Analysis of information sources in references of the Wikipedia article "Muhammad Bakhtiyar Khalji" in English language version.
The Turkish arms penetrated into Bihar and Bengal through the enterprising efforts of Ikhtiyaruddin Muhammad bin Bakhtiyar Khalji ... he started plundering raids into Bihar and, within four or five years, occupied a large part of it ... Nadia was sacked by the Turks and a few districts of Bengal (Malda, Dinajpur, Murshidabad and Birbhum) were occupied by them ... Bathtiyar Khalji could not retain his hold over Nadia and made Lakhnauti or Gaur as his capital.
Nalanda, together with the colleges at Vikramasila and Odantapuri, suffered gravely during the conquest of Bihar by the Muslim general Muhammad Bhakhtiyar Khalji between A.D. 1197 and 1206, and many monks were killed or forced to flee.
The Khiljis were a Turkish tribe but having been long domiciled in Afghanistan, and adopted Afghan habits and customs. They were treated as Afghans in Delhi Court
His ancestors, after having migrated from Turkistan, had lived for over 200 years in the Helmand valley and Lamghan, parts of Afghanistan called Garmasir or the hot region, and had adopted Afghan manners and customs. They were, therefore, wrongly looked upon as Afghans by the Turkish nobles in India as they had intermarried with local Afghans and adopted their customs and manners. They were looked down as non-Turks by Turks.
The prejudice of Turks was however misplaced in this case, for Khaljis were actually ethnic Turks. But they had settled in Afghanistan long before the Turkish rule was established there, and had over the centuries adopted Afghan customs and practices, intermarried with the local people, and were therefore looked down on as non-Turks by pure-bred Turks.
The Khaljis were a Turkish tribe but having been long domiciled in Afghanistan, had adopted some Afghan habits and customs. They were treated as Afghans in Delhi Court. They were regarded as barbarians. The Turkish nobles had opposed the ascent of Jalal-ud-din to the throne of Delhi
Obverse: horseman to left holding a mace, margin with date in Nagari Samvat 1262 Bhadrapada . Reverse : legend in Nagari śrīmat mahamada sāmaḥ . Issued in AD 1204
After the arrival of Islam, the universities such as Nalanda and Vikramshila were no longer existent. The destruction of Nalanda by Bakhtiyar Khalji was the last nail in this pre-Islamic Indic university, which had survived three major destructions
Hussain argues ... was actually named Muhammad Bakhtiyar Khalji and not the broadly used Muhammad bin Bakhtiyar Khalji
Indeed, it seems very likely that [the Khalaj] formed the core of the Pashto-speaking Ghilji tribe, the name [Ghilji] being derived from Khalaj.
Hussain argues ... was actually named Muhammad Bakhtiyar Khalji and not the broadly used Muhammad bin Bakhtiyar Khalji
Hussain argues ... was actually named Muhammad Bakhtiyar Khalji and not the broadly used Muhammad bin Bakhtiyar Khalji
Tradition gives him credit for the conquest of Bengal but as a matter of fact he could not subjugate the greater part of Bengal ... All that Bakhtyār can justly take credit for is that by his conquest of Western and a part of Northern Bengal he laid the foundation of the Muslim State in Bengal. The historians of the 13th century never attributed the conquest of the whole of Bengal to Bakhtyār.
The Turkish arms penetrated into Bihar and Bengal through the enterprising efforts of Ikhtiyaruddin Muhammad bin Bakhtiyar Khalji ... he started plundering raids into Bihar and, within four or five years, occupied a large part of it ... Nadia was sacked by the Turks and a few districts of Bengal (Malda, Dinajpur, Murshidabad and Birbhum) were occupied by them ... Bathtiyar Khalji could not retain his hold over Nadia and made Lakhnauti or Gaur as his capital.
His ancestors, after having migrated from Turkistan, had lived for over 200 years in the Helmand valley and Lamghan, parts of Afghanistan called Garmasir or the hot region, and had adopted Afghan manners and customs. They were, therefore, wrongly looked upon as Afghans by the Turkish nobles in India as they had intermarried with local Afghans and adopted their customs and manners. They were looked down as non-Turks by Turks.
Bakhtyār led his army a second time in the direction of Bihar in the year following the sack of the fortified monastery of that name. This year, i.e. 1200 A.D., he was busy consolidating his hold over that province.
Bakhtyār fairly completed his conquest of the Varendra tract with the ... city of Gaur before the year 599 A.H.