In jug,add eggs,milk,salt,black pepper powder and whisk well.
Add spinach,onion,green chili,cheddar cheese and whisk well.
In frying pan,add oil,omelet mixture and spread it.
Cover and cook on low flame for 2 minutes,flip and cook other side until done.
Add cheddar cheese,mozzarella cheese,black olives,red chili crushed and red chili.
Cover and cook on low flame until cheese melts.