Take oreo cookies in a blender and pulse few times to it is crumbled.
Take butter in a sauce pan, melt it gently. Add ¾ of the cookie crumbs and mix well. Now press the cookie mix in the base of the ramekin. Chill the ramekin till needed.
Now take paneer, condensed milk and vanilla in a blender and puree till smooth. set aside.
Now take gelatin in a sauce pan, add water to it and set aside for 5 to 10 mins. Now heat gently till the gelatin is melted.
Add the pureed mix into the gelatin and mix well.
Add some of the cookie crumb in to the filling and mix well. reserve some cookie crumb for topping.
Spoon this over the chilled cookie layer and put in fridge to set for 3 to 4 hours.
Now unmould and sprinkle the top with more crumbs and serve.