Hello aspirant,

AIIMS, delhi  is one of the reputed institutions in our country...Apart from that college selection is purely your opinion based I dont want to dump my thoughts.You can refer the links I attach.

https://www.careers360.com/university/all-india-institute-of-medical-sciences-bhopal

https://www.careers360.com/university/all-india-institute-of-medical-sciences-rishikesh

https://medicine.careers360.com/colleges/list-of-aiims-in-india

Yes,All colleges in list of AIIMS have electron microscope laboratory since 1971,You can check the official website of AIIMS

Hope this finds helpful...ALL THE BEST!!!