Sieve the flour with baking powder, baking soda and salt.
In a large mixing bowl,combine the sugar,milk yogurt,eggs and water,kneading until the dough is soft.
Cover the dough in a wet cloth and set aside for an hour.
Divide the dough into 8 equal balls.
Smear a little oil and spread onion seeds on top.
Flatten the ball between the palm of your hands by rotating and flattening in the same motion.
Continue till you have a flat disc of 6 cms.
Now, stretch it from the lower end to form a triangle (as in picture).
Use a thick cloth to put the naan on a pre-heated tandoor or in a pre- heated oven at 200 degrees centigrade.
Remove using a skewer when the naan is crisp and brown.
:- Serve hot with a dollop of butter.