I studied national cyber sec policy 2013.I know n/w sec,pentest,forensics but don't have any certifications.what should i do to get hired.

I'm studying network security, Linux servers(all variant), firewalls, Snort IDPS, Forensics, Malwares, penetration testing since two and half years. Which certificates or professional exams should i focused to get hired in govt. job of my field. I work in TCS (refuge to give domain of my choice)