Hi

Yes, NIOS is a recognised open board and even if you have passed 12th from NIOS you are eligible for AIIMS.

Here's how you can get admission in AIIMS for mbbs :-

To get admission in AIIMS for mbbs you need to qualify Neet examination and then participate in all India counselling conducted by MCC and then on the basis of rank obtained by you in Neet you will be allotted a seat in AIIMS.

In order to be able to appear in NEET you need to be eligible for it

Neet 2021 eligibility criteria says that to be eligible you must be either appearing for 12th board examination 2021 or should have passed 12th board examination with physics, chemistry ,biology/biotechnology and English and must have got:-

• at least  50  % in aggregate of PCB  i.e Physics, Chemistry and Biology/Biotechnology  in 12th examination  if belongs to general category

• at least  40%  in aggregate of PCB if belongs to st/Obc/ Sc

• at least 45 % in aggregate of PCB in case of pwd candidates to be eligible.

Also,

* to be eligible for neet 2021 one has to be at least 17 years old or more by 31st December 2021

* There is no upper age limit for Neet 2021

* There's no limit for the maximum number of attempts/times one can appear in NEET.

For detailed information about neet examination eligibility go through our page for which link is provided below; -

https://medicine.careers360.com/articles/neet-eligibility-criteria

And then after qualifying Neet in order to be eligible for taking admission in AIIMS, you need to fulfill its eligibility criteria provided below

Though AIIMS MBBS entrance examination has been scrapped off and now admission is  through Neet examination but percentage requirement in 12th to be eligible for admission in mbbs in Aiims  is still the same as it was before scrapping of its entrance . The page number 11 of mcc counselling scheme pdf clearly mentions that it has its own eligiblity criteria, the link to download it is provided below

https://mcc.nic.in/UGCounselling/Documents/UGSchemeFinal.pdf

To be eligible for mbbs in Aiims you must be either appearing for 12th board examination or should have passed 12th board examination with physics, chemistry ,biology and English and must have got:-

• at least  60  % in aggregate of PCB and English   in 12th examination  if belongs to general /obc category

• at least  50%  in aggregate of PCB and English if belongs to st/ Sc

• at least 45 % in aggregate of PCB and English in case of general pwd candidates to be eligible.

Also,

* to be eligible for Aiims 2021 one has to be at least 17 years old  by 31st December 2021

You can check the same by downloading the official prospectus of AIIMS Delhi for which link is provided below

https://www.aiimsexams.org/pdf/MBBS-2020%20update%20%7BProspectus).pdf

Mbbs prospectus of AIIMS for 2021 has not been released yet ,the above link is for MBBS prospectus  of AIIMS of the year 2020 when the admission in AIIMS was through Neet examination only,

Thank you