By House of Designs · HSR Layout, Bangalore If you've recently moved into a 3 BHK in HSR Layout — or any of the new gated communities mushrooming around Sarjapur Road, Bellandur, and Bommanahalli — chances are you've been hit with the same dizzying problem every Bangalore homeowner faces: "How much does a full 3 BHK interior actually cost? And what should I expect for that money?" Search online and you'll find quotes ranging from ₹3 lakh to ₹30 lakh for the same apartment. Gl