Prep your vegetables: Wash, peel, and chop your vegetables into bite-sized pieces. Dice the onion, mince the garlic, and grate the ginger. Remove the seeds form red bell pepper.
Heat oil in a large skillet or pot over medium heat. Scatter cumin seeds and let them splutter. Add the diced onion and sauté until translucent. Stir in the minced garlic and grated ginger, and cook for another minute until fragrant.
Add turmeric powder, garam masala and chili powder. Toast the spices for a minute to enhance their flavors.
Toss in your chopped vegetables and tomatoes and mix well to coat everything with the aromatic spice mixture. Add 1 cup water and stir.
Bring the curry to a gentle simmer and let it cook covered for about 10-15 minutes, or until the vegetables are tender and the flavors have melded together. Slightly mash few potato pieces for thicker, creamier texture.
Taste and adjust the seasoning with salt as needed. Turn off the heat.
Once cooked, add crushed kasuri methi and lemon juice. Stir well. Garnish with fresh cilantro for a burst of freshness and color. Serve and enjoy !