Wash the mashroom and cut into two parts.
In a mixing bowl put gramflour, baking soda, salt, turmeric, red chilli powder, coriander powder and asafoetida.
Add little water slowly and make batter without any lumps.
Dip the mashroom into batter.
Heat oil in a wok and fry on medium flame till golden brown colour and crisp.
Take out and serve hot with sause or chutney.