The NSW government has a plan to outsource hundreds of jobs to India after the March state election and unions fear thousands more will be vulnerable to outsourcing at a time of rising unemployment.

The Public Service Association is also concerned about the security of sensitive data including Treasury budget papers, cabinet minutes and payroll figures.

Concerned about outsourcing IT systems handling government documents: Anne Gardiner.

The government is negotiating to send up to 240 jobs to India, but a final decision will not be made until April at the earliest.

The government is looking at four possible options, but internal documents suggest preference for a model that involves sending 80 per cent of 300 internal service delivery jobs to India.