Mahagun vs Indiabulls in Noida - Which is better?

Guys, I'm confused between Mahagun Group and Indiabulls Estate in Noida. Mahagun Mantra I or Indiabulls Enigma – which one offers better value for money? Kya kisi ne Indiabulls ke projects mein delays experience kiye hain? I heard Mahagun has a better track record for on-time delivery. What do you think about the construction quality of both? Mujhe advice chahiye for investment purpose. Which one has better ROI potential?