Wash and peel the radish and then grate it with a medium thick grater.
Take a big bowl add all the flours and spices in it and mix well.
Add enough water to make a thick paste and mix it well.
Now add the grated radish, coriander, green chili,ginger and chopped coriander and mix well.
Cover and let it rest for 5 minute.
The radish will release some water and the batter will become little loose now.
Now heat a non stick tawa and wipe it with few drops of oil.
Pour a ladleful of batter and spread it thinly over the griddle.
Cook on medium heat till the top part dries up, now drizzle some oil or ghee over and around the edges and then flip the side.
Again cook from this side till golden and crisp, drizzle some oil or ghee around the edges and cook.
Remove when done from both the sides.
Serve hot with green chutney, ketchup or raita.
Notes
Note-Instead of using gram flour you can add maize flour or ragi flour.you can add tender fresh radish leaves in the batter instead of using fresh coriander leaves