Cool water and pour in some glass or plastic container. Add asafetida, turmeric powder, red chili powder, yellow mustard, salt, black salt and mix well. Close the lid of the container and keep aside for 3 days. Don’t forget to stir with clean and dry spoon once in a day.
Taste water on the fourth day, kanji is ready if it tastes tangy, spicy and tasty. Now make wadas.
To Make Wadas
Clean green gram, wash and soak in water for 2 hours.
Drain water and grind. Take out ground gram in a bowl, add salt and beat.
Heat oil in karai (wok). Make small wadas with hand and put 8-10 wadas in oil at one time. They will become fluffy rounds in oil. Turn sides and fry till they turn brown. Keep on a plate. Fry all wadas in this fashion.
Soak wadas in lukewarm water for 15 minutes. Drain water after 15 minutes.
Put 4-5 wadas in a glass and top with kanji. Serve and enjoy this refreshing drink.
You can also use boondi in place of wadas in kanji.