Hello aspirant. For this much rank you won't get any branch in most of the IIT, NIT, IIIT. Your only hope for know are state owned colleges like UPTU for uttar Pradesh, etc. or you may go for private colleges who are accepting this much score. Many good colleges like Raksha Shakti University, Ahmedabad have very low closing ranks where you have higher chances to get CSE department. Best of luck.

Regards