Hello dear

Yes you are eligible for indian army B.sc nursing as you have cleared your 12th  - you must have minimum 55 %  ( with physics,  chemistry ,biology ,and English as mandatory subjects )

Date of birth :- you must be born between 1st october 1996 - 30th september 2004 are eligible

If your meeting this criteria then you can apply for it ...you dont need to worry about dropping 2years for neet .

See the date of birth criteria if your in between that then you can go for it .

Any queries drop down in the comment box

All the best !