Congratulations for getting this much rank in jee mains 2018.

http://tools.collegepravesh.com/college-predictor/jee-main/

Visit this link to have an idea of what colleges you will be getting on the bsais of this rank.

Since you have not mentioned your category I will consider that you are from general category.

Since you have not mentioned your state of eligibility i am considering that you are from outside madhya pradesh.

I am listing here a few colleges that you may get depending on the rank that you have secured.

• National Institute of Technology, Mizoram
• National Institute of Technology Agartala
• National Institute of Technology Sikkim
• National Institute of Technology, Srinagar
• Sant Longowal Institute of Engineering and Technology
• National Institute of Technology Arunachal Pradesh 
• Assam University, Silchar
• Institute of Technology, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur, (C.G.)
• Gurukula Kangri Vishwavidyalaya, Haridwar
• School of Engineering, Tezpur University, Napaam, Tezpur