Whisky of the Month Amrut Port Pipe Single Cask May 29, 2021 FirstLady Leave a comment May’s second global offering was from Amrut, India’s premiere whisky distillery. This single cask was initially matured in charred American virgin oak casks, followed by a port pipe, a generally hard-to-find variety of cask in the whisky world, which are usually only used to “finish” whisky in its final few years. 1 of 660 bottles at a whopping 59% cask strength.