Chop the onion, tomatoes, garlic, coriander into small pieces keep it on a side .Soak the tamarind in warm water for 5 minute in a bowl .Rinse the chickpeas in a colander keep it on side 

Now heat a frying pan in medium flame .Once the oil as been heated add in onion, garlic, cumin seeds, mustard seeds mix well add in garlic & ginger paste wait until the onions are fried 

Add the tomatoes and mix about 10 minutes. Now add in tamarind by squeezing the pulp to get think paste to add into the curry .

Once they've cooked, add the chickpea, turmeric, chilli powder ,garam masala ,coriander powder, salt mix well let it all cooked 

Put the lid on and simmer for 20 minutes.

Check the chick pea is fully cooked switch the flame .

Now garnish with chopped coriander leaves 

Enjoy hot hot simple home cooked chick pea curry with rice or Indian chapati's with your family and friends .