By the time you’re reading this, you've already decided to buy a luxury flat in Zirakpur. It’s a smart move as the area is booming. However, you are confused between a 3 BHK and a 4 BHK. Sounds like a small call, but it decides your budget, your comfort, and what your home is worth a decade later.  Most people go with their gut here and end up wishing they'd thought it through....