Noida investment: Sector 158 or Noida Extension better?

₹80 lakh budget, need at least a 3BHK for my kids. I'm torn between Sector 158 and Noida Extension. Sector 158 seems more developed, but Noida Extension offers bigger apartments for the same price. My wife's priority is a safe neighbourhood near a good school. Has anyone invested in RSG Landdeveloper Pvt Ltd projects? Their brochure looks good, but builder ka track record kya hai? Is it worth going for a slightly smaller apartment in a better sector like 158, or should I compromise and get a bigger place in Noida Extension? Honestly not sure which way to go. Noida vs Greater Noida vs Noida Extension – where does your money grow faster, guys?