Sector 155, Noida Extension - Investment Advice?

Thinking of investing in Sector 155, Noida Extension. Kya aap logon ko pata hai about the connectivity? Metro station se kitna door hai? I'm looking for budget investments. What's the rental yield like currently? Is it worth investing now or should I wait? Has anyone experienced any issues with waterlogging there? Mujhe advice chahiye about the resale market too. What do you think?