Put Instant Pot on Saute mode. If using regular stove top pot, start warming it up.
Warm up the oil in the pot, either Instant Pot or a regular pot.
Add whole spices (cloves, peppercorn, cinnamon stick and bay leaf).
Once fragrant, add cumin seeds and let it cook until they start to deepen in color and starts to form aroma.
Add chopped onions, minced garlic and grated ginger.
Saute until onions are translucent and raw smell of garlic is gone.
Add chopped carrots and chopped celery. Mix well.
Add chopped kale and saute until wilted.
Add washed and drained canned chickpeas, tomato sauce and vegetable broth. Mix well.
Add all the spices, mix well.
Bring it to boil.
Turn the saute mode of, close the lid, secure the valve. Put IP on high pressure for 3 minutes. Once the timer goes off, let the pressure release naturally for 5 minutes. Release rest of the pressure manually.
If using regular pot, bring the stew to boil, cover and simmer for 5-6 minutes.
Open the lid, mix well. Use potato masher to mash some chickpeas. Simmer the stew for 2-3 minutes while keeping it on saute mode, or low heat if using regular pot.
If you prefer thicker consistency, blend ¼ th cup of stew in a blender or a food processor and add it back to stew. Simmer for couple of minutes.
Taste it, add lemon juice if needed.
Serve it warm!!