How to prepare Kerala sambar

Ingredients	Quantity
Tuvar dal (arhar dal)	½ c up
Small onion(shallot)	10 nos
Ladies finger(okra)	3 nos
Bringal	1nos
Drumstick	1nos
Snake gourd	100gms
Yam	200gms
Potato	1nos
Hyacinth bean(amarakka)	4nos
Cucumber	100gms
Tomato	2nos
Plantain(banana)	1nos
Carrot	1nos
White pumpkin	100gms
Green chilly	6nos
Curry leaves	little
Mustard seeds	½ tsp
Chilly powder	1  ½  tbs
Coriander powder	2 tbs
Turmeric powder	2tsp
Asafoetida	A pinch
Tamarind	1 amla sized ball
salt	For taste
Water	500ml

.    Chop the vegetables  to  small square pieces.          Put tuvardal, vegetables, 5 cups of water, 1tea spoon turmeric powder and little salt into a pressure cooker and cook it for 15 minutes.         Then add chilly powder, coriander  powder, turmeric powder,asafetida and curry leaves and allow it to boil.         Put tamarind in a half cup of water and squeeze it well and pour it to cooker ;add salt and water if it is necessary.        Allow it to boil for 5 minutes.         In a  pan, heat  oil and crackle the mustard seeds, chopped small onion , 3 red chillies and curry leaves when it becomes golden brown pour in to cooker.       Now kerala sambar is ready to serve.