Dang, Feb 23: Farmer Birendra Khadka has been cultivating strawberries commercially for the past two years. Still in his twenties, Khadka has already been making an income of Rs 600,000 annually. A permanent resident of Jabang Dudilabot, Madi Rural Municipality-1, Rolpa, Khadka says that his strawberry farming in Jhingora, Ghorahi