The fertilizer produced at Sindri in Jharkhand is urea. Urea is a common nitrogenous fertilizer that is used widely in agriculture. It is a white crystalline solid that contains a high concentration of nitrogen. Urea is considered a high-quality fertilizer because it is easy to handle, has a high nutrient content, and is relatively inexpensive.
Ammonium Phosphate, Calcium Super Phosphate, and Ammonium Sulphate are also commonly used fertilizers, but they are not produced at Sindri in Jharkhand.
It is worth noting that while urea is the correct answer provided, it is always helpful to understand the different types of fertilizers and their uses in order to make informed decisions in agriculture.