It's unlikely to get direct admission to NIPERs through management quota even if you can't crack the entrance exam.

NIPERs are premier institutions funded by the Indian government. They primarily focus on merit-based admissions through entrance exams. Management quota seats, if available, are very few.

The selection process at NIPERs prioritizes candidates who perform well in the specific entrance exam (like GPAT for Pharmacy programs).

https://pharmacy.careers360.com/articles/niper-jee-exam-analysis

I hope it helps!