Take a pandry roast seasame seeds and keep it a side.
in the same pan add oil, cumin seeds, garlic,red chillies,tamarind,salt and mix then add mint leaves, chopped tomatoes and mix well.
let it cook for 5 min then remove from stove and transfer it to a blender as we need to make a paste.
In the blender add seasame seeds,and cooked mint, tomatoes into it and blend till a find paste.
chutney is ready