First chopped onion.
Now heat oil in a pan and give tadka of cumin seeds.
Now add onion and fry it.
Now make puree of tomato n add with all spices n fry till oil is separats.
Now add ginger, green chilli and 1/2 c water n bring boil.
Now add paneer pieces and cook for 6-7 minutes.
Finally add Corriender leaves and malai .
Switch off the gas.