First wash all the veggies.
Rinse it and peel it off.
Now cut it.
Then heat oil in a pan and fry all the veggies till it becomes golden brown in colour.(except tomatoes)

Then keep it aside.
Now heat oil in pan.
Add mustard seeds and let it crackle.
Add red dry chillies.
Add cumin seeds.
Add asafoetida.

Now add desiccated coconut and saute till it becomes golden in colour.
Add onion to it.
Then after add tomatoes.
Add all the above mention masalas and milk in it.

Add 1 glass of water.
Mix it well.
Saute till oil separates from the gravy.
Checkout it should be thick and spicy gravy.

Now add fried veggies to it.
Mix it well.
And let it be on low flame for 2 minutes.So that gravy gets properly mix up with veggies.