Heat oil in a pressure cooker or a deep pan
Add the chopped ginger, garlic, green chillies, chopped red onion
and little salt
Saute until oil starts to separate
Then add the turmeric powder, chilli powder, coriander powder and garam masala
Saute for a few seconds and add the chopped tomatoes
Again saute for a few seconds and add the lauki cubes
Saute for a few seconds and add around 1/4 – 1/2 cup water
Adjust the salt
Cover the pressure cooker with its lid and cook for two whistles
When the pressure is released, open the pressure cooker and throw in the chopped cilantro
Mix well and check for salt
Serve hot with chapatis