Combine grated carrots, chopped coriander leaves, whole wheat flour, red chili powder, garlic, carom seeds, salt, oil in a bowl and mix well.
Add warm water little at a time. Mix and knead slowly to form a smooth and soft dough. Divide the dough in equal parts.
Preheat the skillet over medium heat.
On a floured surface, roll out each portion into a thin circle using rolling pin.
Apply oil on the skillet and place the rolled thepla on the skillet. When tiny bubbles appear on the top, spread oil and flip. Cook till pale golden brown spots appear on both sides.
Remove from pan and keep in a covered container.