Hello aspirant, 

 NTA is not going to publish your exact score of jee main. And you can only know your range of marks. To know your exact score range only one thing you can do is to first check your rank in rank predictor. The link is given below

Https://engineering.careers360.com/jee-main-rank-predictor

Then you have to convert this rank to range of marks using previous year statistics. For this go to below link and browse down.

Https://engineering.careers360.com/articles/jee-main-marks-vs-rank

You will get almost a range of your mark