Boil sugar in a pan with 1 cup water and boil till sugar dissolves.
When it dissolves switch off and filter for impurities.
Then add this gms powder stir well and let it cool completely.
Grind ginger with 1/2 cup of water and strain it making half cup.
Mix both Juices and keep ready.
When the sugar solution cools completely mix the juice mixture and keep in a sterilised bottle.
Take 1/4 cup measure of squash and 3/4 th cup of water and serve.
Serve chilled.
Notes
You can add ice cubes while serving.
Should strain the juice with a muslin cloth so that a clear squash will be retained.
Use well sterilized bottle so that it can be kept for long.
Keep it in fridge and can use even for 1 or 2 weeks.