First, in a pan or sauce pan, take water and sugar.
Keep this sugar-water solution on a low heat. Stir so that the sugar dissolves. The syrup will be sticky when you touch it.
When all the sugar has dissolved, continue to simmer on low heat until the sugar syrup reaches to a half string consistency. Then switch off the heat. You can also heat the sugar syrup to one string consistency.
Let the sugar syrup cool slightly. Then using a strainer filter the syrup. First line a bowl with a mesh strainer. Line the strainer with a muslin cloth or cotton kitchen napkin.
Now pour the sugar syrup carefully through the muslin lined strainer into the bowl.
Let this filtered sugar syrup become lukewarm or cool down to room temperature.
Rinse the lemons well in water. Halve them.
With a lemon squeezer or press, extract juice from each lemon half in a bowl or mug.
You will need 1 cup of lemon juice.
If there are small seeds in the lemon juice, then filter them through a tea strainer.
Powder seeds of 8 to 9 green cardamoms together with saffron in a mortar-pestle. Keep aside.
Now add the lemon juice to the sugar syrup. The sugar syrup should be lukewarm or at room temperature when you add the lemon juice.
Add the powdered cardamom and saffron. Mix very well.
Now pour the Lemon Squash in a sterilized bottle or jar. Close the lid tightly and refrigerate.
Making Lemon Drink
When preparing the Lemon Squash drink, add 3 to 4 tablespoons of the squash in a glass and add cold water.
Stir and serve. You can also add ice cubes in the drink.
Notes
For sterilizing the glass bottle or jar: Boil water in a pot. Place the glass bottle or jar in the boiling water along with the lid separately (the lid should not be made of plastic). Let them sterilize in the boiling water for about 8 to 10 minutes. Use a pair of tongs to remove them carefully and allow them to dry naturally.