Kala Namak rice is grown in the tarai area of Siddharth Nagar and ten neighboring districts of eastern Uttar Pradesh. It is a scented rice variety which is generally offered better price as compared to other rice varieties to the farmers. The Government of Uttar Pradesh is promoting Kala Namak rice under One District One Product (ODOP) and has sanctioned a project of Rs. 12.00 crore for promotion of Kala Namak rice.
Source- Agriculture India