That's a fairly nice rank. Congrats for your rank and efforts. I want to give you a detailed version of what you can get. Its branch wise covering CSE & IT, ECE & EE, ME. You might say why not civil or chemical. But Bro you have a sufficiently nice rank. Here it goes: 

COE & IT: Silchar, Hamirpur, Raipur, Patna, Uttrakhand, Andhra, Agartala, Meghalaya

ECE & EE: Rourkela, Surat, Delhi, Bhopal, Kurukshetra, Durgapur

ME: Calicut, Nagpur, Surat, Bhopal, Kurukshetra, Jamshedpur, Durgapur, Jalandhar, Hamirpur, Raipur

Hello Soumya, you should mention your category like OBC, SC/ST and whether you are a home state candidate or not. Its easier to predict your college if we know these facts. Though, I am providing the link of 2018 JOSAA closing rank below:

2018 JOSAA closing rank cutoff: https://josaa.nic.in/webinfocms/Handler/FileHandler.ashx?i=File&ii=139&iii=Y