Noida Extension investors: How deep to dig into RERA and legal?

Noida Extension – I'm looking at a few properties here, especially around Sector 150, thinking about investment. Builder ka legal track record check karna kitna important hai, especially for new projects like Vihaan Krystal Heights by Maxblis? RERA registration toh sab dekhte hain, but how deep should one go? Kya sirf RERA ID dekhna enough hai, ya usmein bhi kuch red flags hote hain jo miss ho jaate hain? I'm worried about title verification issues later on affecting my exit strategy. Some people say RERA complaints are slow, but is it really effective for investors? Kya koi actual success stories hain jahan RERA ne help kiya ho with builder delays or legal tangles? I need advice on what specific documents to scrutinize beyond the basic RERA certificate to ensure clear title and avoid future headaches.