ICICI Bank teamed up with Khan, who has a big fan following in Britain, to launch its HiSave account that pays 5.65 percent interest on deposits of 1 pound or more.
"He is our brand ambassador and his name is so easily recognisable to anyone of South Asian origin. He is very popular," said Sonjoy Chatterjee, managing director of the bank in Britain.
ICICI currently has six branches in Britain, employing around 200 people who look after a balance sheet of over 2.5 billion pounds of assets.
The bank's branches are mostly located in areas heavily populated by the Indian community like Wembley, Leicester, Southall, Manchester and Birmingham, The Sun newspaper reported.