Make a slurry/paste using whole wheat flour and water. Make it into a smooth paste.
Place a single wrapper on a wet towel or your kitchen board.
Preheat the oven to 220 Deg C.
Arrange it in diamond form, i.e. one pointed side face towards you.
Add in 2-3 tablespoon of stuffing and start rolling gently. Be sure to take as much moisture as you can.
Stop when you reach halfway.
Apply a little slurry on the left and the right side and fold them one by one towards the center. It should resemble an open envelope. See the pic below.
Brush a little slurry on the edges of the open sheet and again start rolling the rest of the wrapper.
Seal it tightly and arrange it on a baking tray. Brush the top with a little oil.
Bake it in preheated oven for 10-15 minutes.
Turn, brush the other side again with oil and bake again for 10 minutes.