First of all wash poha well in running water ,then soak it till it becomes soft.
Strain and squeeze poha out of water,add needed salt and turmeric powder mix and keep ready.
Now keep a kadai with oil,add mustard to splutter.
Keep the flame low add both urad and bengal gram with curry leaves and leave them to be golden.
Once again keep the flame to normal,add chillies,grated ginger .
Then add onions and saute till they become translucent.
Now add the poha to it and stir once,keep the flame low and close the lid for 2 minutes.
Open the lid stir nicely till rawness goes off.
Now switch off add grated coconut,coriander leaves and lemon juice.
Mix every thing well and serve hot.
Notes
Adding lemon juice is optional.
Instead of grated ginger you can use asafoetida while tempering.
If you want the poha to be white avoid adding turmeric powder.