Firstly, chop all the vegetables and keep them ready.

Secondly, heat oil in a pan and add minced garlic, once it turns aromatic, add all the vegetables in it.

Now add salt,  pepper powder, and stir fry all the vegetables on high flame for 4-5 minutes, stirring in between.

Now make a slurry by mixing cornflour, tomato ketchup, garlic sauce, and water. Whisk it till there are no lumps.

Finally, add the slurry in the pan and cook the vegetables for another3-4 minutes till everything is well combined and cooked al dente.