Noida Investment: Villa or Bigger Flat? Help!

Controversial opinion: luxury villas near Yamuna Expressway, are they *really* worth it? I'm in a 2BHK in Sector 75, thinking of upgrading. Already have a home loan, so EMI will jump. Nehra Infra Homes has some tempting offers, but is the price jump justified? Better rental yield from a 3BHK instead? Or just stick with what I have? Kya bolte ho, Noida walon? Change my mind!