Hazrat Maulvi Ghulam Mohiuddin Khan (ra) was the son of Dr Borre Khan Qasori.
From a very young age he used to visit Qadian with his father; thus, his name in Anjam-e-Atham is included among the 313 companions of Hazrat Mirza Ghulam Ahmad (as). He took Bai’at in 1897. In Tarikh-e-Ahmadiyyat it is mentioned that Dr Sir Muhammad Iqbal, Chaudhry Sir Shahab-ud-Deen and Hazrat Maulvi Ghulam Muhiuddin Qasori (ra), came to Qadian and pledged their allegiance to Hazrat Mirza Ghulam Ahmad (as).
He was well acquainted with the subject of law and also served as a president of Anjuman-i-Himayat-i-Islam.