NRI Rajkot buyers: legal due diligence tips?

Remote buyers ko Krishna Kunj mein legal issues ka kya experience raha hai? Dubai se property dekhna mushkil hai. Builder ka title deed clear hai ya nahi, kaise confirm karein without being there? Especially for Balaji Group ya Madhav Group projects. Power of attorney se sab smooth ho jaata hai kya? Any tips for remote due diligence?