Make your own home mix. Use it either with lentil dumplings in yoghurt (Dahi Bara) or in raita (Beaten yoghurt with diced veggies). Courtesy Chef Tahira Mateen https://www.youtube.com/watch?v=iqanzD4u4ZM
Sal ammoniac used in the recipe is also sold as "noshader" in India & Pakistan. Abroad look for it in Greek or Scandinavian grocery stores. Also known as sal ammoniac or MINERAL SALT. Sold as white tablets also known as "lemon salt". This is ammonium chloride.
Dry roast cumin, corriander and carom seeds in a pan. Place aside to cool before grinding.