Take tomatoes, poppy seeds in a kadai. Cover with water. Cover and cook for 10 to 15 mins till tomatoes are done. Remove from heat and add it to blender. Puree smoothly, set aside.
Heat oil in a pan. Add in cumin seeds and let them sizzle.
Add in onions and cook till golden.
Add in chilli, coriander and turmeric powder. Mix well.
Add in potatoes and toss well. Cover with water and simmer the pan covered for 15 mins till potatoes are cooked.
Now add in tomato puree and mix well. Add more water and bring it to a boil, add some sugar and mix well.
Add in paneer and mix well. Simmer till oil separates,
Now sprinkle garam masala powder and coriander leaves. Mix once.