Sorry to say that with the present percentile, it is difficult to even qualify JEE mains and you may not get good colleges with this percentile. Generally the cutoff percentile for general category is around 89. You can attempt again in the next session and try to score above 95 percentile to get good government colleges. Also you can try for private engineering colleges, check the link below to explore.

https://engineering.careers360.com/colleges/list-of-private-engineering-colleges-in-india