Heat water in a bowl, when the water comes to a boil, then add salt as per taste, after that put the chowmein noodles in boiling water, slow down the flame and turn off the gas after 4 minutes.
Boil the chowmein until it turns from the middle.
Do not cook them for a long time.

After 3 to 4 minutes, put the chowmein in a sieve, separate it from the water and wash it with cold water. Add oil to the chowmein noodles and mix it with light hands.

After roasting all these vegetables on high flame, add chowmein and mix it. After mixing chowmein, immediately add white vinegar, and dark soy sauce and mix it. Add green chili sauce, schezwan sauce, salt, and red chili powder.
After this add black pepper powder and mix it and cook it well while stirring the chowmein.
Mix tomato ketchup in this so that the sauce and vegetables mix well with the noodles.

Chowmein is ready to serve.