As I sit in my office in Canberra, sipping on a light, clean tasting green tea with just a hint of astringency in the background and a herby aftertaste; I am swept back to a bumpy track, riding in a 4WD with my friend Ashish and my eldest son James. It’s a bone jarring journey but eventually we turn right off the track and in to a traditional Assamese farm yard. As we arrive a small group led by an older man, approach and in traditional style welcome us with a gamosa ( a trad