Place ice cubes in a blender jar.
Add sugar syrup, kala khatta syrup, black salt and whole pepper.
Blend well till the ice cubes are crushed and the mixture becomes slushy.
Transfer the mixture into a bowl and freeze for 5-8 hrs. Churn the mixture every 1 hr for 2-3 hrs.
Scoop out the sorbet and place into individual glasses.
Drizzle some kala khatta syrup on top.
Add lemon juice on top, garnish with mint spring and serve chilled.