There are a lot of misconceptions about single phase and three-phase connections. Many a time people are advised to go for a three phase connection when they put an AC in their house. People find it difficult to understand when to go for a three phase connection and when for a single phase. We tried to explain it in detail in our article: What
Have you ever wondered why your electricity bill amount is not the same even when you have the same number of units consumed on the bill? Why is it that the electricity bill is different even when you have not changed your electricity consumption? If you look at your bills you will just find that there is an amount mentioned as FAC or FCA or FPPCA, which is either positive or negative and is creating the difference.