Soak the basil seeds in water for 10-15 minutes and drain them.
Prepare sugar syrup with 2 tablespoon of sugar and 2 tablespoon of water.
In a tall glass, add one teaspoon of the sugar syrup.
Extract the juice from half of a lime and add it to the glass.
Add all other ingredients.
Add the left half piece of the lime to the glass and add water.
Add ice cubes.
Cover it tightly with another glass and shake it strongly for 30 seconds.
Enjoy
Optional ingredients need not be added,Its up to your wishes