First, soak dries mochai in hot water and pressure cook. The number of whistles depends on the soaking time
Add oil to a 2-liter pressure cooker and turn on the stove to medium flame
Furthermore, add mustard seeds and fenugreek seeds; let them splutter
Add onion, garlic, and curry leaves; mix well and saute till onion turns translucent
Add tomatoes and mix well; cook till they turn mushy
Furthermore, add mixed veggies and give a quick mix
add turmeric powder, sambar powder, coriander powder, and salt; mix well and cook for 3 minutes
Furthermore, add jaggery, cooked mochai, tamarind water, 1/4 cup of cooked water, and 1/4 cup of water; bring to boil
Close the cooker and pressure cook for 2 whistles; do a natural pressure release
Finally, add water and bring to a boil; turn off the stove