Amanullah began his professional career in 1977 with the play Sixer, and remained active till his death in 2020.
Due to his mother's death and his father falling ill when he was very young Amanullah spent his childhood in poverty doing daily labour work and selling eatable items near Data Darbar Lahore where he used to earn 5–10 Rs.
Amanullah started his career with stage comedy where he got a chance to show his talent at a very young age.
He was introduced to the entertainment industry by the famous Pakistani singer of that time, Tufail Niazi.
Tufail Niazi was his neighbour who discovered his talent and gave Amanullah a chance to show his comedic skills to the whole world.
He remains one of the senior-most stage actors who always made people laugh with his witty jokes and unique sense of humor.
His dedication to the field of comedy earned him a place among the most renowned comedians in the Indian subcontinent.
Another famous Pakistani comedian Shakeel Siddiqui also reportedly showed a lot of respect for his work.
He had also toured India and many famous Indian comedians including Kapil Sharma and Chandan Prabhakar regard him as their teacher and inspiration.