Growing family, bigger home: How to fund it smartly?

Anyone here upgraded recently and dealt with the tax side of things? We're a family of four, my kids are growing fast, and our 2BHK in Manikonda just isn't cutting it anymore. My wife's priority is a good school for them and a safe neighborhood. We're eyeing a 3BHK, maybe a Prestige Group project in Kokapet or an Aparna Constructions one in Narsingi. Budget is around ₹1.8-2.2 Cr. I'm wondering if selling our old 2BHK makes more sense for the down payment, or if a larger home loan offers better tax benefits like under Section 24. Honestly not sure how to balance the capital gains from selling versus the interest savings. What's the community's take on this, especially with current interest rates? What tax hacks did you use?