In bowl,add all-purpose flour,caster sugar,salt,baking powder and mix well.
Add oil and mix.
Gradually add lukewarm water and knead until dough is formed,cover and let it rest for 1 hour.
Add oil and knead dough again.
Take a small dough and make a ball,sprinkle dry flour and rolled out with the help of rolling pin.
Prick with fork (makes 6-8).
In frying pan,add heat cooking oil and fry dough from both sides until golden brown.