You can prepare parallelly for NEET while studying B.Sc. Many Candidates do that and it works for many of them. That way, they do not waste an academic year. This works like a plan B. You haven't mentioned your Category. Nevertheless, with a score of 442, unless you belong to Reserved Categories, a seat in Government Quota or GMC is difficult. And so another attempt atNEET with advanced preparation might help you. So you can take a seat in B.Sc and then prepare for NEET too. If you are preparing for NEET,  our NEET Knockout package can help you. It is self learning method based on Artificial Intelligence. You can study at your own pace with the help of our 5000 videos and concept videos. You can check that at: https://learn.careers360.com/knockout-neet-may/