Naseer Ahmad Khan (scholar)

After his father's death, he was raised by his elder brother, Bashir Ahmad Khan, who was a teacher at Madrasa Manba-ul-Uloom in Gulaothi, Bulandshahr, at that time.

He remained in Deoband for another two years, during which he studied various subjects, including tajwid and qira'at, medicine, Islamic logic, and philosophy, under different teachers.

[3] At the Deoband seminary, his teachers include Hussain Ahmad Madani, Izaz Ali Amrohi, Bashir Ahmad Khan, Abdul Khaliq Multani, Abdul Haq Akorwi, Muhammad Tayyib Qasmi, Qazi Shamsuddin, Abdur Rahman Amrohvi, Hifzur Rahman Partapgarhi, and Muhammad Umar Deobandi.

[6][7] From 1946 (1365 AH) to 2008 (1429 AH), he taught at Darul Uloom Deoband for approximately sixty-five years according to the Islamic calendar and about sixty-three years according to the Gregorian calendar, instructing students in a range of texts from foundational books to Sahih al-Bukhari.

[1][8] In 2008 (1429 AH), he submitted a request to resign from his responsibilities at Darul Uloom Deoband due to old age and various physical ailments.

[1][14] Naseer Ahmad has thousands of students,[15] including Wahiduzzaman Kairanawi, Mujahidul Islam Qasmi, Khursheed Alam Deobandi, Qamaruddin Ahmad Gorakhpuri, Saeed Ahmad Palanpuri, Arshad Madani, Abul Qasim Nomani, Usman Mansoorpuri, Riyasat Ali Zafar Bijnori, Abdul Khaliq Madrasi, Abdul Khaliq Sambhali, Muhammad Ameen Palanpuri, Mujeebullah Gondwi, Abdul Ali Farooqi, Mufti Abdul Razzaq, Salman Mansoorpuri, Wajid Hussain Deobandi, Naseem Akhtar Shah Qaiser, Nadeem al-Wajidi, Abdul Raūf Khan Ghaznavi, Ishtiaque Ahmad Qasm, Yasir Nadeem Al-Wajdi,[1][16] Sameeruddin Qasmi,[17] Abdullah Maroofi,[18] Salman Bijnori,[19] and Arif Jameel Mubarakpuri.

[3][7] His students in this subject are scattered across the country and overseas, with one well-known name being Sameeruddin Qasmi, a resident of Manchester and the author of books on astronomy such as Samrat al-Falkiyyat, Ru'yat-e-Hilāl 'Ilm-e-Falkiyyat Ki Roshni Mein (Moon Sighting in the Light of Astronomy), and the Sameeri Calendar.

Thousands of people attended his funeral prayer at Darul Uloom Deoband, which was led by Usman Mansoorpuri.