Take butter in bowl. Add powder sugar. Beat both till it becomes soft and fluffy.

Then add maida in it. And mix it well. You may add little milk for binding if required.

Make soft dough. Make two parts of dough. Add chopped pista in one part. Add choco chips in other part. Mix it and make 2 separate dough.

Make roll of both dough.and cover them in butter paper. Refrigerate them for 20 to 30 min. Then take out from fridge and cut them.