Hey! Sorry to mention but there seems no chances for you to get a seat in IPU with these marks as the minimum marks needed to get there in any of the colleges is 500.You can check the cutoffs of all the colleges of IPU by going through the following link :

https://medicine.careers360.com/articles/neet-cutoff-ipu

But don't lose hope as you still have chances for other government colleges and deemed universities.You can check the list of all possible colleges for you by using the predictor tool :

https://medicine.careers360.com/neet-college-predictor?icn=neet-clgpdici%3Dqna-answer

All the very best!