Marinate the beef with turmeric powder, chilli powder, salt and a bit of cooking oil.
Heat the oil and deep fry the sliced beef until crispy.
Strain and toss, set aside.
Saute the rough blend items with oil until fragrant for 10 minutes.
Add the lime juice and tamarind juice.
Continue stirring, then add salt and sugar to taste.
Lastly, add the beef and stir well for another 5 minutes.
Remove from heat and serve.