Blend the fennel seeds and sugar separately into powder, keep aside.

Combine this mixture with 1 cup of water. Next transfer it into pan and stir continuously under low flame.

It will take around 10 minutes to slightly thickens. When it's done transfer it from heat.

Cool it down completely and next strain through a sieve. Store it in a dry and air tight jar.

When you wish to serve, take 3 to 4 tbs in a glass top it with water and ice cubes.

Serve chilled.