Hi Ganesh Mahendran

The gate score required for admission in IIT dhanbad for Mtech CSE spec in information security in year 2018 varies according to the category.

In first round:

1) General Category:628 out of 1000

2) Other Backward Class:556 out of 1000

3) Scheduled Caste: 421 out of 1000

4) Scheduled Tribe: 338 out of 1000

In second round:

1) General Category:616 out of 1000

2) Other Backward Class:556 out of 1000

3) Scheduled Caste: 413 out of 1000

4) Scheduled Tribe: 295 out of 1000

For third round:

1) General Category:612 out of 1000

2) Other Backward Class:544 out of 1000

3) Scheduled Caste: 413 out of 1000

4) Scheduled Tribe: 295 out of 1000

For fourth round:

1) General Category:611 out of 1000

2) Other Backward Class:529 out of 1000

3) Scheduled Caste: 410 out of 1000

4) Scheduled Tribe: 294 out of 1000

For spount round-A:

1) General Category:598 out of 1000

2) Other Backward Class:523 out of 1000

3) Scheduled Caste: 406 out of 1000

4) Scheduled Tribe: 249 out of 1000

 I hope this information is enough to clear your question.

Thank you!