I am a B.Sc nursing graduate. Can I do this course online?

Yes, there are many open source courses available on internet, where you can access some basics of such courses online.

Kindly predict your college in this college predictor. JEE Main rank predictor is an online tool which predicts the candidates rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Main and seats available in IITs, NITs, GFTIs, and other SFTIs

Kindly go through the attached link for details of B.Sc nursing course: https://www.shiksha.com/nursing/colleges/b-sc-colleges-india