Sector 51 Noida: Investment potential and safety?

I'm thinking of investing in Sector 51, Noida. What do you think about the investment potential? Is it a good area for long-term appreciation? Also, how's the safety and security situation there? Has anyone experienced any issues? Which is better for families, Sector 51 or nearby areas? Kya Sector 51 mein gated communities safe hain? Mujhe advice chahiye. What's your take on the rental yields?