For making sambhar, Place a kadhai or pan over low heat. Put in the tamarind pulp, turmeric powder, jaggery, green chillies and curry leaves.
Add all the vegetables and then add salt.
Cover this and boil for 10 minutes.
After 10 minutes add water and cooked toor dal.
Let it boil for a few minutes then add 3 tablespoons of prepared hotel sambhar mix and stir well.
Let this boil for a few minutes on medium-high flame.
Turn the heat off when the water of the sambhar is well blended with dal.
Now, get the tadka ready, heat oil in a pan, add, mustard seeds, curry leaves and dried red chilli, when it crackles, pour it over the sambhar.
Garnish it with fresh coriander leaves and serve hot with some idli or rice.