Pat paneer to remove excess water.
Slice the paneer in cubes or rectangles and keep aside in a mixing bowl.
Peel and finely chop ginger and garlic cloves and chop 3 to 4 green chillies and keep aside.
Take one medium onion and remove outer layers and finely chop it. Besides, slice a medium capsicum in squares and remove its seeds and pith.
Marinating and Frying Paneer
Add corn starch, red chilli powder, black pepper powder and salt to the paneer cubes and gently mix, taking care that they don't break.
In a non-stick pan, heat up oil over medium flame and fry paneer cubes.
When the paneer is slightly cooked, take out and place on a plate.
In a bowl, add soya sauce, green chilli sauce, sweet red chilli sauce, teaspoon red chilli powder and black pepper.
preparing the sauce
In the same pan in which you fried paneer, add finely chopped ginger-garlic and green chillies and stir properly.
Add onion and capsicum squares.
Over medium flame, stir fry till the edges of the onions and capsicum get cooked, add the mixed sauces.
Add a pinch of salt and sugar and stir well.
Add corn starch paste and stir again and add soya sauce or chilli sauces or sugar or salt if required.
To this cooked mixture, add fried paneer cubes and mix it.
If you want can garnish with some coriander leaves or spring onion greens and serve.