Tom Yum Soup with Mushrooms and Baby Corn

Name: Tom Yum Soup with Mushrooms and Baby Corn
Ingredients: * 1/2 cup sliced mushroom (khumbh); * 1/2 cup baby corn, cut diagonally; * 1 vegetarian seasoning cube; * 2 tbsp roughly chopped garlic (lehsun); * 1 tbsp roughly chopped ginger (adrak) (adarak); * 1 tbsp roughly chopped lemon grass (hare chai ki patti); * 1 tbsp roughly chopped coriander (dhania) stalk; * 1 tbsp oil; * 2 tbsp finely chopped spring onion (white and greens); * 1/2 cup carrot julienne; * salt and to taste; * 1 tsp lemon juice