Certification

Hi,
Today various management certifications are available in the market. They can provide the much needed to boost to your career and make you jump higher in your career trajectory. But it is important to choose these certifications wisely, as they should go hand in hand with your current key responsibility areas. Some of the popular certifications are:
NSE: National Stock Exchange offers a number of courses on financial education which are known as NSE Certification in Financial Markets (NCFM).
Chartered Financial Analysts (CFA): This is a professional qualification offered by the CFA Institute to financial analysts. A CFA qualification validates one's knowledge of security types and investment along with the knowledge of quantitative methodologies for analyzing securities that are assessing their value and identifying their underlying risks.
FLIP (Finitiatives Learning India Pvt Ltd) Certification: FLIP certification is offered by a leading professional employability enhancement firm, dealing with banking and financial services, named FLIP.
Project Management Professional (PMP) certification: PMP certification is a premier certification credential for project managers. Not only does this certification offer career advancement but also results in a marked increase in a professional's marketability.
Certified Associate in Project Management (CAPM): CAPM is an entry-level certification for project practitioners. It's for people having little or no project experience will surely benefit with this certification program.
For the exhaustive list of certifications, kindly follow the link:
https://www.shiksha.com/popular-management-certifications-article-5528-1

You have done M.Tech in Information security. CCNA is a basic certification to do beginner level network engineer job. CCNA certification will not add value to your profile. You are over qualified to be a network engineer based on your educational qualifications. You are advised to do courses leading to Information security certifications. You may evaluate ISACA certifications e.g. CISA, CISM CISCO CCNA security, etc. These certifications will be helpful for long term career as an Information Security expert.
The CISA certification is world-renowned as the standard of achievement for those who audit, control, monitor and assess an organisations information technology and business systems. The management-focused CISM is the globally accepted standard for individuals who design, build and manage enterprise information security.
In case you want to start career by taking practical experience in Network Security, you may do Cisco CCNA Security certification. It is designed for IT professionals who are responsible for network security including Security Administrators and Network Security Support Engineers.