Hello! Namritham

With boards marks you cann't enter engineering college for pursuing Btech degree courses.To get admission in engineering college you need score card of entrance examination,score card may be state engineering entrance examination,central entrance examination (JEE MAINS OR ADVANCE EXAMINATION).Private body entrance examination (BITSAT,COMEDK).If you want join government engineering college and it's equivalent engineering college then you need to qualify their entrance examination with good score.

You can ask if you have any other queries 

GOOD LUCK!