Substitute condensed milk for evaporated milk in icing

No.

Sweetened condensed milk has a 40% sugar content. It is very sweet, suitable for desserts and such. It is entirely too sweet to substituted into a curry.

The consistency is drastically different. Evaporated milk is about the same consistency as heavy cream. Sweetened condensed milk, because of its high sugar content, is more the consistency of a warm caramel.

Also, they are different colors, evaporated milk is white, sweetened condensed is light brown.

You may convert evaporated milk into condensed milk by adding sugar to it. For each cup of evaporated milk add about 1 and 1/4 cups of sugar. Pour the mixture in a pan, stir while heating on the stovetop until the sugar completely dissolves. Let cool. The heating of evaporated milk is similar to the treatment condensed milk undergoes, so the evaporated milk with sugar should be a perfect replacement.