Easy way to prepare curd in cold weather

In cold weather milk will not ferment quickly.
Boil milk. Let the milk come to a boil.
Let the milk cool to room temperature till it becomes warm.
Add a tsp of curd to the milk and mix well and place lid.
Now switch on the convection oven light and place the milk bowl in the oven or preheat oven to 180 degree F heat and  switch off and place the milk bowl in preheated oven.
In 3 to 4 hrs curd will be ready.