Two very recent items of possible interest:
Millets mentioned include finger millet, sorghum, pearl millet, and browntop millet. These are sourced not only from Sangrur, but also other regions in India.
Vicella Laboratory is producing a dietary supplement based on matcha green tea along with several grains including Japanese barnyard millet and "glutinous millet" (may be waxy proso?)'
Vicella CEO Kawahara Takeshi is quoted as saying: "Matcha and millet go well together, making it an ideal combination to complement nutrition and functionality. The antioxidant power of green tea and nutrient density of millet makes it ideal for beautiful skin, intestinal activity and metabolic support, etc."