Dear Aspirant,

you have got an average rank in JEE and in that you cannot get any college through JOSSA counselling so you can move into the state counselling of your state, there might you can get some good private colleges or you can jump into the private colleges where you will get lots of options who takes admission through JEE mains score like Amity, Shrda, LPU, Chandigarh University, Galgotias, etc.

Moreover you can use this link to predict some good colleges according to your rank.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Good Luck :)