First, wash sabudana properly 5 to 6 times so all starch is removed from it
Soak it with water
Be careful that you don't put more water in sabudana
Put water carefully see that only sabudana are immersed in it
Soak overnight so the quantity will be doubled.

Now next day in the morning mix gently sabudana with your hands they will become double
Now take all ingredients mentioned above.

Now grate ginger, groundnuts, green Chilli & potatoes.

Now mix all grated ingredients & add sugar, lemon juice & salt to it
Then add sabudana to it
Then add red Chilli powder to the mixture.

Now mix it very gently with your hands
Then take water in one bowl & make small dough from the mixture
Then wet your hands with water & give the shape of mendu vadas.

Now put oil in a pan & when oil is hot put vadas & deep fry till they are golden brown in color
Serve hot with fry green Chilli & curd chutney
Your delicious sabudana vada is ready to Serve