I can help you with the last year overall ranks for CS and IT branch -



Computer Science -

GNDCD -  Min Rank -8510 (01)

Max Rank - 34316 (01)



GNGND - Min Rank - 7

Max Rank - 163



Information Technology -

GNDCD - Min Rank - 28682 (02)

Max Rank -43639 (02)



GNGND  - Min Rank - 168

Max Rank - 358





Hope this helps!!!