Rinse the rice and cook the Sona Masoori Rice Instant Pot Electric Pressure or stovetop pressure cooker. Once cooked, spread it out on a wide plate and let it cool completely, this step helps to achieve separate and non-mushy rice.
Cut the green brinjal into thick stripes and soak them in salted water. This prevents brinjal from turning brown. Keep them aside.
Heat oil in a Kadai. Then add mustard seeds and let them splutter.
Then add urad dal, chana dal, and cashews. Saute till the dals turn golden brown.
Add curry leaves, and hing (asafetida). Saute for a few seconds.
Next, add green brinjals and saute for 2-3 minutes till the brinjals are half-cooked.
Then, add turmeric and salt. Mix everything well.
Add tamarind extract, jaggery, and water. Cook for 2-3 minutes till the brinjals are cooked well.
Add vangibath powder, and mix well. Do not cook the mixture for more time after adding the powder.
Then add cooked sonamasuri rice, mix everything well, and turn off the gas.
Garnish it with coriander leaves if you desire. Serve brinjal rice hot with raita or yogurt.