In a bowl,add yogurt. Whisk well. Make sure the yogurt is not lumpy.
Now add water,salt and sugar to it. Mix well.
On a plate, arrange 1 or more kachoris as per your need.
Poke a hole at the center of each kachori.
Now add chopped onion and tomato in the kachori.
Now add Sweet dahi, dates chutney and mint chutney.
Top it with Cilantro chopped and sev.
Serve with Hot tea.
Enjoy!!