First wash all vegetables & chopped it seperately like tomatoes,onion, potatoes & corrainder leaves.

Take 1 bowl with half filled with water then chopped brinjal in it & potatoes too otherwise without water they turn black in colour.

Heat the heavy bottom pan add oil in it when oil is heated add cumin seeds and mustard seeds in it.

Add chopped or grated garlic & ginger paste saute for a minute add chopped onion in it.

When onion is cooked add all dry spices like red chilli powder, turmeric powder & corrainder powder.

Mix well then add chopped tomatoes & some water & cover the lid in low flame.

When tomatoes is completely cooked & looks like semi gravy add chopped potatoes & brinjal in it.

Mix well then add salt again add some water & cover the lid in low flame.

Cooked till potatoes get soft in between check again and again.

When it cooked completely add garam masala & garnish with fresh coriander leaves.

It looks like semi gravy serve with chapati or puri or paratha or rice.