He was the given the iqta' of Badayun before being appointed the Governor of Bihar by the Sultan in 1232 as Saifuddin Aibak had been transferred to Lakhnauti.
He advanced westwards towards Kara, where he got news of the ascension of Sultan Ala ud din Masud.
Tughral is referred to as "Majlis Ali, the great Khan, the exalted Khaqan, honour of the Truth and the Religion, helper of princes and sultans, patriarch of victory, Tughril the Sultani" (Arabic: مجلس العلي خان العظم خاقان المعظم عز الحق والدين غياث الاسلام والمسلمين مغيث الملوك والسلاطين ابو الفتح طغرل السلطاني).
The Oriya army pursued the Muslims all the way to Lakhnauti, the capital of Bengal, and besieged the city.
Tughan Khan was later appointed as the governor of Oudh by Sultan Alauddin Masud Shah.
In 1272 Sultan Ghiyasuddin Balban appointed Amin Khan as the governor and Tughan Khan as the sub-governor of Bengal with the duty to reconquer and pacify the Province, most of which had been under the control of the Eastern Ganga dynasty since the death of Malik Ikhtiyaruddin Iuzbak in 1257 CE.
In 1279, Tughan Khan defeated the Sena king Vishwarup Sen of eastern Bengal (present-day Assam) and established an Islamic fiefdom in that region for the first time in history.
In 1280, Tughan Khan took advantage of a drought to invade South Bengal and then, Jajnagar (present-day Orissa).