Keep all the ingredients ready for Naan. In a mixing bowl, add all purpose flour, baking powder, cooking soda, sugar, vegetable oil, and salt. Mix it well with your hand. Add water and knead the flour well to make a soft dough. Cover it with a muslin cloth and keep it aside for 4-5 hours.
Divide the dough into 4 equal portions. Take one portion of the dough.
Dust with some flour, and roll it into a circle of 7-8 inches in thick diameter with the help of rolling pin.
Sprinkle some nigella seeds and coriander leaves on the table.
Apply water on one side of the chapatti and put it on the table (in which you sprinkle the seeds and coriander leaves) and roll it again. (So that the seeds and leaves stick to the chapatti on the back sides.
You can see the image below.
The Naan is ready to cook. Do the same with the rest of the dough.
Put the naan on the hot tawa. You will notice some puffs appear after 1-2 minutes.
Flip it over on the other sides. Put some butter cubes, The Naan is ready to serve.
You can also make it on the gas stove. Apply water on the back sides of the naan and put it on the hot tawa. Flip the Tawa and cook it on the direct flame till puff appears. (Refer the video for more description)