If you feel the amount of sugar is less then you can add according to your own taste.
Addition of ginger powder is optional.
Nuts if grinded with sugar grinds smoothly.
While grinding nuts always whisk don't leave the mixer to run continuously.
You can use whole ragi,sprout and make flour out of it or you can dry fry ready made sprouted ragi powder and make this ragi malt as I have made.
I don't roast the nuts as the oil in the nuts easily releases while grinding and the powder may not be smooth.
You can sundry the nuts instead of dry frying.
Its mainly for growing kids and its a very healthy beverage that will boosts energy in them.