3-step fallback: High accuracy (15s exact) → Low accuracy (10s fast) → IP location (City level) - Error 3 Timeout fix for multiple devices indoor

Location: Google Map (OSM) + pincode_all Haversine + IP fallback - Error 3 Timeout fix - State→District→Area chain - Area select mandatory - HTTPS required for GPS - http pe GPS block hota hai

Error codes: 1=Permission denied (Allow karo), 2=Position unavailable (GPS ON karo + Bahar jao), 3=Timeout (Indoor - Low accuracy + IP try karega) - Multiple devices me Error 3 common