According to JEE Advanced 2017 cut off ranks for various categories to get through CSE in IIT Kharagpur are as following -
1- General
opening rank - 160
closing rank - 262
2- OBC
opening rank - 82
closing rank - 127
3- SC
opening rank - 44
closing rank - 77
4- ST
opening rank -2
closing rank -40.
So, for this year also cutoff ranks for getting into CSE in IIT Kharagpur will also be somewhat around these ranks.
Thanks for reading.