For making sambhar, boil vegetables and toor dal in pressure cooker. Chopped tomato and onions. Take pan add oil and put it on flame. Add split mungbean and Curry leaves. Now add tomato and onions. Saute for 5-10 minutes. Add salt,red chilli powder, turmeric powder, sambhar masala. Saute for another 5 minutes. Meanwhile smash toor dal and vegetables with blender (in cooker). Now add water in toor dam and vegetables (in cooker) and put on flame to boil. Add sauted tomato and onions into cooker