Panch Phoron is a whole spice blend consisting of five primary ingredients. It is used in regions like Bangladesh, Eastern India, and the Northeastern India region, especially in Odisha, West Bengal, the Mithila region of India, and Nepal.
The ingredients used in this are fenugreek seeds, nigella seed, cumin seed, black mustard seed and fennel seeds. This spice is readily available in the market. Therefore, please include them in cooking the brinjals.