The Piccadilly line is known as The Tandoor in some parts of London, hopefully no more!
According to the 2021 Census, 656,272 Indian British live in London. Hounslow total population is 288,200, 21% of them Indian or around 60,000.
British Indians are the second largest ethnic group in Hounslow (after "white"), but there are almost 600,000 more living in other parts of London.
https://www.ons.gov.uk/census https://stats.hounslow.gov.uk/population/#/view-report/63aed...