In a pressure cooker heat oil.Splutter mustard seeds and cumin seeds,add urad dal and chana dal.

Next add curry leaves and dust some hing. Add grated ginger and mix all well.

Now add chopped onion and saute till translucent. Next add fresh green chillies and tomato.

Add salt and turmeric and mix all well.

Next add the diced potatoes and some chopped coriander leaves.Mix them all.

Let it be on slow flame for sometime.Mix intermittently.
Now add water into the sauteed potato mixture.Mix all ingredients.

Let this come to a little boil.
Add coriander powder,cumin powder.If you want to add curry powder and garam masala,add now.
But I wanted to keep it subtle so didn't add.

Now add besan and mix well.Let it be on slow flame for sometime.

When all flavours combine.Put the pressure cooker lid and cook for 3-4 whistles.

As cooker cools, releases pressure, open and mash some potatoes little bit. Besan and mashed potatoes make the gravy nice and thick.

Give a gentle mix. If required add water and bring it to a single boil.Superb aroma.
switch off.
It's ready to serve.

Bring it on to a serving bowl, garnish with coriander leaves and serve with poori/ paratha/ chapatti/ phulka

We relished it with beetroot poori