Put the egg carefully in a saucepan add water enough water to cover them by about 1 cm.
Boil the water for 30 seconds on high flame.
Now cover the lid tightly and cook it for 10 minutes on low flame.
Immediately remove the eggs in ice water and cool it for 10 minutes.
Now peel the eggs by cracking the shells and roll it between your hands. You can also store it in the refrigerator for 5 days.
Now cut eggs lengthwise in half and remove yolks and mash the yolks.
Add salt, pepper, mayonnaise, grounded mustard in mashed yolk and make a smooth batter.
Pipe or spoon the yolk batter in eggs.
Sprinkle some red chili powder and coriander leaves and serve it cool.