AIIMS Patna campus covers an area of 66.5 acres, while the total built-up area of the campus is1,67,003 square metres, including 1,21,312 square metres of hospital space and 45,691 square metres of non-hospital space. Approximately 99 percent of phase – 1 work has been completed. The institute is located in the heart of city and is surrounded by lush greenery. Patna is located on the lower bank of the Ganges, which often results in flooding and the high water level, makes construction work tedious and futile. The city is also classified as zone-IV, a high seismic zone that necessitates numerous engineering safeguards during the pre- and post-construction stages. Summer temperatures in Patna range between 35 and 45 degrees Celsius. While in the Winter months, temperatures range from -1 to 30 degrees Celsius. Precipitation occurs frequently. Patna receives an average annual rainfall of approximately 1213.3mm.

Infrastructure Development
Various construction projects were completed during the 2020-21 fiscal year. Details of work completed in phases at the Institute, is as follows:

1. The hospital building's MOT has been completed and has begun.
2. Mortuary building construction has been completed and the operations have begun.
3. The CCU area is operational.
4. The NICU area is operational.
5. The CSSD development has been completed and begun.
6. The expansion of the radiotherapy department is completed
7. The Auditorium's interiors are fully done and is functional, with a seating capacity of 920.
8. All work associated with the supply, installation, testing, and commissioning of pumping systems has been completed and is operational.
9. The central sample collection centre's construction in the Basement of OPD Block is complete and fully functional.
10. Modular Kitchen renovation in Hospital Mess, Girls Mess& Boys Mess is completed.
11. The new sewer line installation from the collection pit at Ayush PMR to the STP and from the STP to the canal outside the hostel area substation, as well as the sewer line connection in the Medical College Building, has been completed.
12. The reconstruction of a fallen boundary wall near the Ayush PMR Block, is completed.

Ongoing work in Institute.

Future Plans