chop the small onion, tomato, brinjal, and aloo
heat the oil in the pan and temper the mustard, broken black gram, curry leaves, red chilli
add onion and garlic and saute it until the onion turn into brown
add tomato and saute it for 2 mins
add salt and turmeric powder and mix well
add aloo and brinjal and mix well
allow to boil for 5 mins in medium flame
add sambar masala powder and mix well
add required water and allow to boil until the aloo and brinjal get boiled
once the aloo and brinjal get boiled and become curry consistency all grated coconut, mix well and turn off the flame
aloo brinjal curry is ready to serve. serve with rice