Soak tamarind in hot water and extract the juice, now pound the sundakkai using motar and pestle, pounding it gently reduces the bitterness in sundakkai
In pan heat oil, add mustard seeds once it splutters add methi / fenugreek
Add curry leaves and garlic pods then saute it on medium flame till it turns golden
Add shallots and saute it for 2-3 minutes and add sundakkai(turkey berry) saute it for 4-5 or till sundakkai shrinks
Add chopped tomato and cook till soft
Add sambar powder, turmeric powder and mix it well
Add in tamarind extract along with some water and salt to this then cover and cook for 2 minutes
Now add the ground masala paste and mix it well
Cover cook for 4-5 minutes or till the curry thickness and switch off the flame
Serve it hot with hot rice