Take the radish leaves in a large bowl. Add red chilli powder and salt and set it aside.
Take yogurt in a large bowl. Heat ghee in a non-stick pan. Add cumin seeds, mustard seeds, turmeric powder and hing and saute till the seeds crackle.
Add this mixture to the yogurt. Add radish leaves to the yogurt. Add roasted peanut powder, lemon juice and sugar and mix well.Serve chilled.