hello aspirant,

we can't tell you exactly how much marks you need to get but we can help you provide a link , where you can check the trend of cutoffs for the particular college for different branches, you can check the opening and closing ranks for the same that will help you make the roundoff decision.

https://engineering.careers360.com/articles/jee-main-cutoff-for-nit-warangal

also, if you have no idea , you can check the rank predictor tool, where you will be able to get a range of marks for a particular rank, that will surely help you get a good idea about the marks you need to score.

hope that helps