Chilli Paneer with Mushrooms

Cut capsicum and paneer into 1 1/2 inch long pieces. Slice mushrooms. Fry in 1 ladle oil until almost cooked and keep aside.
Grind 1/2 onion, 2 green chillies, 1 inch ginger, 4 pods garlic and fry the paste.
Add 1 tsp chilli powder and 1/2 cup water and cook till dry.
Add salt, soysauce, vinegar, ketchup, and sugar. Add the vegetables.
Thicken with corn starch and simmer till done.