hello krishna,

you should score aroung 150+ in jee mains.it may differ for different category,but minimum marks needed for HBTI is 150.please refer following link to know more,

• https://www.careers360.com/university/harcourt-butler-technical-university-kanpur

to get the details of previous year cut-off's for the jee mains,

• https://engineering.careers360.com/articles/jee-main-cutoff

all the best!

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)