Heat oil in a kadai.Add in cumin seeds..Now add in onions and fry till golden.Add in ginger garlic paste,red chilli powder,coriander powder,garam masala powder,chat masala and mix well.
Add in capsicum and tomatoes and cook till for 3 min.
Add in the cut up chicken pieces and mix well.Season with salt.Cover with a lid and cook till the chicken is done.
Remove the lid of the kadai and turn the heat up and let the water evaporates out and chicken become little dry.
Switch off the flame and garnish with coriander leaves.
For Roti:
Mix All purpose flour,wheat flour,salt,oil together with your hands.Add in warm water and make it into a soft dough.Apply some oil over the top.Cover it with damp cloth and let it rest for 30 min.
Divide this into equal balls and roll it into thin roti.
Heat a tawa and put this over that and cook on both sides till it gets little brown spots.Now lightly beat one egg and pour half over one side of roti and cook untill the egg sets and gets cooked.remove this and set it aside.
Now take the roti.Add the filling inside the roti and top it with some chopped onions,capsicum,coriander leaves and some lemon juice.