As of my last update in January 2024, I don't have access to real-time data or current market trends. However, I can suggest some ways to find the best real estate company in Gorakhpur for luxury apartments in the 3-6 BHK range:

Online Research: Look for real estate companies in Gorakhpur through online platforms such as Google, property listing websites, and real estate directories. Pay attention to customer reviews and ratings.

Local Recommendations: Ask for recommendations from friends, family, or colleagues who have purchased luxury apartments in Gorakhpur. They can provide insights based on their own experiences.

Visit Properties: Visit luxury apartment complexes in Gorakhpur to get a feel for the quality of construction, amenities, and overall atmosphere. You may come across sales offices or representatives of real estate companies on-site.

Consult Real Estate Agents: Reach out to local real estate agents or brokers who specialize in luxury properties in Gorakhpur. They can provide valuable advice and connect you with reputable developers.