?I want to live each bottle,? says Sukhinder Singh. Debonair in a mauve turban, he noses then sips flawless Bowmore 18, bottled in 1993. ?Sorry, I?ve got to drink it,? he insists. ?Brings a smile to my face?? We convene in the inner sanctum of Elixir House, HQ of London?s Whisky Exchange. As youths, Sukhinder and brother Rajbir learned liquid history at their parents? shop, The Nest, in Hanwell, probably the UK?s first Asian-owned off-licence. ?Ours wasn?t a typical corner shop,? recalls Singh. ?Harrods and Selfridges sent us customers.?