Hi there, On your EWS Category Rank I can say that you can get into the NIT's but sorry for this that at this rank you will not be able to get into any IIIT  but other NIT and colleges  as mentioned below;

• NIT, Nagaland
• NIT, Uttrakhand
• NIT, Pondicherry
• NIT, Goa
• NIT, Meghalaya
• NIT, Patna
• NIT, Jalandhar
• NIT, Trichy
• HBTU, Kanpur
• Chandigarh University, Chandigarh
• LPU, Punjab
• Assam University
• IET-DAVV, Indore
• Jabalpur Engineering College, Jabalpur
• Ujjain Engineering College, Ujjain

Etc.

Moreover you can also take help to predict your own college by yourself through Careers360 College Predictor tool(link mentioned below) according to your rank in any category;

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

Good Luck.