‘We weren’t shy. We were queers in leather!’ Sunil Gupta on his momentous photographs of gay life

<p>From Delhi to New York, from the street to the bath house, he has captured clandestine moments, risked his freedom – and even referenced Romantic painters. Ahead of a major show, the photographer relives his landmark shots</p><p>‘I’ve been very promiscuous,” Sunil Gupta says, re