In mixing bowl add rava and curd mix it well. Keep rest for 10 minutes and blend it smooth

Now heat kadai with oil,add mustard seeds,cumin, ginger, curry leaves,greenchilli and chopped onion fry it well. And transfer it to rava mixture.

Now add turmeric and salt mix it well.

Now heat the tadka kadai,grease with oil add batter cook both sides. Serve with hot and chutney