Soak sabudana as mentioned in the link above. Press in between fingers to check it is soft. Set it aside.
For chutney combine all the ingredients in a blender. Pulse until smooth. Taste and adjust salt. Make sure chutney is thick and contains no liquid. To be sure, sieve chutney through a strainer to remove all the liquid. All that will be left behind will be a thick paste of green chutney. Set it aside.
Boil, peel and mash potatoes.
Combine mashed potatoes and sabudana in a bowl.
Add cilantro leaves and spices and mix until it forms a soft dough. If the dough feels sticky add a tablespoon of Kuttu flour ( buckwheat flour) and mix until well blended.
Divide and shape the dough like small balls.
Meanwhile heat oil in a pan.
Take a ball and....
Place a teaspoon of thick chutney in between and roll it like a ball. Repeat with rest of the balls.
Fry on medium heat until crunchy and crispy.
For healthier option you can cook it in an appe pan.
Crunchy and crispy Sabudana chutney balls are ready.
Along with green vrat ki chutney.