First of all for making stuffing for brinjals, take one mixture jar, put coriander powder, celery or ajwain, turmeric powder, salt, red chilli powder, garlic cloves, sugar and oil in jar.
Now grind all the spices and ingredients till get nicely mixed, stuffing mixture is ready keep aside.
Now wash brinjals, wipe with clean cloth and with the help of knife make 4 cuts in all the brinjals then stuff the spices mixture in the space, press the mixture with soft hands so it will stuck nicely.
Now put all the brinjals in pan then add in oil, cover and cook brinjals at medium low heat till become soft, stir in between after every minute, when brinjals become soft and cooked nicely turn the heat off and keep aside.
For making dahi tadka heat oil in pan, when oil become hot add cumin seeds and wait till it stats slathering, now add in green chillies, curry leaves and turn the heat off, tadka is ready.
Now put whipped curd in a bowl then add in sugar and mix well, now add in 2 pinch of salt again mix it well, now add in tadka and mix well, tadka dahi is ready.
Now finally take a serving plate, put tadka dahi first then put stuff brinjals on it and serve hot.