Take warm milk in a bowl. Add oil, yeast, and sugar into the bowl. Mix well, cover it and keep it in a warm place for 10 minutes until foamy.
In a big mixing bowl, take flour and salt. Mix them well. Add foamy milk mixture and knead a soft dough. Knead the dough for 5 to 7 minutes.
Grease a bowl and place the dough. Apply some oil. Cover it with plastic wrap and let it ferment for an hour.
Take all the ingredients in a bowl. Mix them well and divide into 12 equal size balls. Keep it aside.
Knead the dough and divide into equal size balls. Take one ball and gently press it out. Place stuffing ball in the middle and close it into a ball.