It's a prevalent myth that curd and yogurt are basically the same product. While both of them are dairy products, curd and yogurt have their differences, ranging from the methods of preparation to the beneficiary factors. The process of making curd is relatively a lot simpler than that of yogurt.
In order to prepare curd, one needs to add edible forms of acidic substances such as lemon juice, vinegar etc. Adding these acidic substances would help the process of 'curdling of milk' and help to generate curd. Curd is rich in nutrients like calcium, vitamin B6, iron and potassium.
In order to prepare yogurt, one needs to add a significant amount of lactic acid bacteria such asLactobacillus bulgaricus and Streptococcus thermophilus into the milk. These bacterias ensure fermentation of the milk, thus converting it to yogurt. Yogurt is rich in nutrients like Vitamin B12, calcium and phosphorus and is nutritionally much more valuable than curd!