Hey Kaviya,

You should better take a drop because you may not get a good college through JEE mains. I will suggest you that you should apply for state level private colleges there. For more information you can visit the link below to know about the colleges that you can get through JEE Mains:

https://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&cad=rja&uact=8&ved=2ahUKEwi13aiHgvzhAhXFqo8KHQQIC2cQFjABegQIARAB&url=https%3A%2F%2Fengineering.careers360.com%2Fjee-main-college-predictor&usg=AOvVaw1pTMu5LewXe0n3JPiA8V2U

Good luck !