Firstly in a in a large mixing bowl, add wheat flour, semolina, sugar, salt to taste and 1 tsp oil.combine all the ingredients well.
further add milk and knead a tight dough.

Now Cover this dough and keep aside.

Now Make small sized balls and flatten.
roll the dough evenly into circles using rolling pin. Roll it neither too thin nor thick.

Now heat oil in a kadai. when the oil hot enough drop poori.
Press with spoon to puff up.
Once they puff, turn over. Fry till both side become golden brown.