Amchoor powder, also called "Amchur" or "Aamchoor" in Hindi, Amchoor translates literally as "mango powder"! Made from dried slices of immature green mangoes which are then ground into a powder, the colour of the ground spice is brownish-beige. the flavour is slightly acid/sweet.
Kesar is a variety of mango like the Alphonso mangoes. They are widely grown in the north of India. The pulp is extracted from the mangoes and got the natural sweetness.
Fenugreek seeds are small, roughly angular, brownish yellow seeds, which have a pleasantly bitter flavour and strong aroma. The seeds are often toasted to enhance their pungent aroma, and then powdered alone or with other spices. In Indian cuisine, fenugreek seed is a common ingredient in curry powders and pickle powders. It is also used to temper various vegetable and dal based dishes to enhance the aroma and taste.