Which Noida builder delivers on time, yaar?

Guys, I'm confused between a couple of builders in Noida. Supertech and ATS, which one is better for on-time delivery? Has anyone experienced major delays with either? Also, what about the construction quality? Heard mixed reviews. Kya aap logon ko pata hai about their after-sales service? I'm looking for something reliable, not just fancy. Mujhe advice chahiye! Which one would you recommend for peace of mind?