Heat oil in a pan and add ginger/ garlic purée Allow to cook for 5- 10 seconds.
Add the paprika, and Gram Masala. Stir constantly, and continue to cook for 15-25 seconds, or until aromatic.
Add grate potatoes, green chillies and stir to incorporate.
Add the tomato stock and bring to a simmer.
Finally add the boiled chick peas and water. Season to taste. ( canned chickpeas are suitable, drain and use. Alternatively, husk less , chickpeas can also be used once soaked over night. )