Chicken tacos (maldivian style)

Taco shells
Boiled chicken(2 cups)
Cumim powder(half tbls)
1 big Capsicum
Chilli powder(1 tbls)
Pepper powder(half tbls)
Mayonise(for topping)
Hot Chilli sauce
Garlic powder(1 tbls)
Salt to taste
1 big Red Onions
Lettuce ( cut it thinly) for making tacos
White onions (thinly sliced)for making tacos