First of all put the soaked split black gram in a mixer jar and blend it till become smooth paste, it should be thick so add water only if need and add about 1 to 2 tsp water then add in asafoetida and whip it well and keep aside covered for 30 minutes.
Now put coconut, dry raisins and cashew nuts and mix well and keep aside.
Now put the gas on and heat oil, stir the black gram batter with a spoon, take a plastic sheet and grease with oil the put the batter on this sheet and spread it in round shape.
Now put coconut, dry raisins and cashews mixture about 1 tsp at the centre and fold the sheet and give gujiya shape to it, make all the gujiyas ready this way.
Now slowly put the gujiyas in medium hot oil for frying and fry till become nice golden brown, fry all the gujiyas then put in salted water and let them soak for 2-3 minutes.
After 2-3 minutes squeeze the gujiyas so the excess water will be removed then put in a serving plate.
Now first put curd then put green chutney and jaggery tamarind chutney, now sprinkle some cumin powder, red chilli powder and finally garnish with some coriander leaves and serve the delicious gujiya chaat.