Hello Lakshmi,

The cut offs for respective categories for jee mains 2018 are as follows :

Also, for your percentage in the general category, you might get a rank of 10000+ but in OBC NCL category, you might get a rank of 100+.

Hence your chance of getting a government engineering colleges increases. Also I would recommend you to go through the colleges which you might want to join and decide the stream you wish to opt for to ensure ease at the time oadmission.

All the best!