In a blender/mixer combine curd, water, lemon juice, ginger, asafoetida and a pinch of rock salt.
Now add some coriander or mint leaves and blend well.
For seasoning heat oil in a pan then add mustard seeds, and curry leaves and fry them until the seeds pop.
Add buttermilk and stir well. Now serve it in a glass.
Benefits :
The presence of lactic acid in buttermilk helps in digestion.
Help to fight dehydration and strengthens bones.
Buttermilk is a good source of Vitamin D and nutrients.
Precautions :
Due to the salt content, it might cause allergies in some people with lactose intolerance. It can be avoided in respiratory diseases during cold hours like early morning and night.