First flat in Pune, feeling lost on next steps

Okay I'll be honest — I completely underestimated how confusing this process is. Pune mein first flat dekh raha hoon, Badhan Nagar area mein. Capstone Landmarks Pvt Ltd ke projects check kiye. Shortlisting kaise karein? Site visit pe kya specific cheezein dekhni chahiye jo builder nahi batayega? Koi experience share karega?