Chettinad Summa Kuzhambu

Name: Chettinad Summa Kuzhambu
Ingredients: * 2 teaspoon sesame oil (gingely oil); * 1/4 teaspoon mustard seed; * 1/4 teaspoon fenugreek seed; * 1/4 teaspoon cumin seed; * 12 indian shallot (chinna vengayam); * 5 clove garlic; * 1 sprig curry leaf; * 2 ripe tomato, chopped; * 1 teaspoon salt; * 2 teaspoon kuzhambu milagai thool ( or sambar powder); * 1 teaspoon coriander powder; * a small lime size tamarind; * 1/4 cup cooked toor dal; * 1 teaspoon jaggery powder