hii sunny,

last yera the cutoff of BIT Mesra was-

for home state-opening rank-1514 and closing rank 4196.

for other state-opening rank-592 and closing rank-1438.

as you got 98.6651140 NTA percentile so your pradicted rank is 1940.

  so sunny if you belong to Home state the you will definately get admission in BIT mesra.

and if you belong to other category than General,then please go through the given link.pradict your rank and as I given the cutoff data check whether you can get admission or not.

      https://engineering.careers360.com/jee-main-architecture-rank-predictor.

thank you.