According, to JAC Delhi 2017 6th round of allotment below are the cut off for DTU

Delhi Region (General category)

You need to score more then 130 marks in JEE Main to get DTU in lower branches.

For CSE branch you need to score around 200 marks.

Outside Delhi Region

You need to score more then 190 marks in JEE Main to get DTU in lower branches.

For CSE branch you need to score around 235 marks.

Good Luck!!