The Hindu : Sci-Tech / Energy & Environment : Assam Zoo plans to breed highly endangered golden langur the Assam Zoo is the same as the Guwahati Zoo in the first article of this thread (where it is just called "the state zoo")
Yep, the Assam State Zoo has been given the green light for a conservation breeding programme for golden langurs. I am not sure if they bred here in the past ... a slight inkling tells me ...