Sector 150 projects: Quality and delivery concerns

Noida Extension mein 3BHK property dekh raha hoon, budget around ₹1.5 Cr. I'm based in Dubai, can't do site visits. Godrej Properties, ATS, Gaursons, ACE Group, Mahagun, M3M India - inka on-time delivery track record aur construction quality kaisa hai? Real experiences chahiye for Sector 150 projects. Important hai.