Instructions: 1) Combine Green Mango Amchur, Ginger, water, honey, and lime juice in a saucepan on the stove. Stir until simmering. Remove from heat. 2) Combine honey-spice mixture, blueberries, and mint in a cocktail shaker. Muddle. 3) Add ice cubes and shake. 4) Strain shaken mixture into glass, and top with seltzer. 5) Garnish with mint sprig and blueberries. Enjoy!