Wash and soak the chana for 8 hours or overnight.
Pressure cook it for 3-4 whistles and keep it ready.
Cut the lady's finger and allow it to dry.
Take small lemon sized tamarind and extract it.
Heat oil and temper with mustard, urad dal and curry leaves
Then add the finely chopped onions and saute for 1 minutes.
Then add ginger garlic paste and saute till raw smell goes.
Next add chopped tomatoes and saute till mushy.
Now add the chopped okra and saute nicely for 3-4 minutes. Add more oil in this stage if required.
Then add salt, turmeric powder, sambar powder and garam masala.
Then add the cooked chickpeas and cook till masala is coated.
Add the tamarind extract and allow it to cook till everything is mixed and all water is absorbed.
Switch off the flame and garnish with coriander leaves.
Serve hot with rice/roti