Whisk together eggs, chili powder and salt in a flat vessel which has enough space to soak 1-2 slices of bread. Add onion, green chilies, ginger paste, tomatoes and chopped coriander and mix well.
Heat oil in a cast iron skillet or non stick pan.
Soak each slice of the bread in the egg mixture for 5 seconds on each side and slide it into the pan. You can top the slices with some onions and tomatoes from the egg mixture. Cook the bread on each side for 5-7 minutes on medium heat till they are crisp from the outside and cooked through.