Heat oil in a pan, add the cloves, cardamom pods and cinnamon stick; cook for 30 seconds. Next add the onions and curry leaves and cook till onions are lightly browned around the edges.
Add the tomato and cook till it turns mushy.
Stir in the boiled potato and ½cup of water. Cover and cook for 5 minutes.
Next add the red chili powder, garam masala and green peas - cook for 2~3 minutes.
Add the ground masala, salt and more water to get to desired consistency. Simmer the curry for 5~6 minutes or all the flavors to mingle.
Turn off the heat and stir in the lemon juice. Serve warm or hot with rice or roti.