[4][5][6] Khan and the team of Surma Takeaway Stevenage hold the Guinness World Record for cooking the largest onion bhaji.

[9] His father Late Alhaj Ayub Ali Khan was a businessman and runs several family business of curry houses in Kent, in Bedfordshire and in London.

[10] Stopsley Surma was also opened, and Spice Rouge, which was formerly the White Hart pub until Khan bought and converted it into a curry house in 2010.

In February 2020, Khan and his team at Surma Takeaway also broke the Guinness World Record for largest onion bhaji.

[17] Khan previously served as the Senior Vice President and as the Secretary General of the Bangladesh Caterers Association UK.