Boby has lost track of the precise number of times she has been gang-raped. She thinks it is between eight and 10. “Every time it has been without condom,” she says. “Every time I was badly beaten.” As a trans sex worker in India’s capital city Delhi, the smiling, unabashed 25-year-old lives under a constant threat of HIV infection which she can only do so much to control. She speaks to The Independent at the Samarth clinic, an outwardly unassuming centre on the outskirts of the capital run by the India HIV/AIDS Alliance and supported by the Elton John AIDS Foundation.