DSCI is the Nasscom's initiative in data security and privacy protection.
In addition Bajaj will also be providing direction to Nasscom's security initiatives.
The trade body had earlier announced the appointment of Shayamal Ghosh as the chairman of DSCI.
Announcing the appointment, Som Mittal, president, Nasscom said, "we are delighted to announce Bajaj's appointment as part of Nasscom, and DCSI. His rich experience will add immense value to this effort by Nasscom and the industry".