A high-tech packaging plant that may come up in Himachal Pradesh will help prolong the shelf life of one of the rarest and tastiest Himalayan river fish, the trout. Trout is found only in crystal-clear, snow-fed streams and in waters where the temperature is below 12 degrees Celsius. "Vacuum-packing trout (fish), like other processed foods, will enhance its shelf life," said a fisheries department official. "
