Mix the plain flour and salt in a bowl and add enough water to form a firm dough.
Roll the dough and cut into preferred ball sizes.
Roll the dough with a rolling pin into a flat, circular shape.
On a medium heat pan, place one of the flat dough on the pan, occasionally flipping the dough on each side for 1 minute. The dough should puff up.
Crack the egg into a bowl. Add salt, tumeric, cumin, carrot, onion, cheese and coriander and whisk until everything is well combined.
In a medium heat frying pan, add the oil. After the oil has been heated, add the omelet mixture. After 1 to 2 mintues, as one side has been cooked, flip the omelet over and let it cook on the other side.
Transfer the omelet on top of the roti and roll it up to make an egg roll.