Hi Riya....

If you want to specialise in field of Information Security Audit Visit http://www.isaca.org ... This is already mentioned in the Certification thread.

Apart from the above metnioned... If u are really intrested in Software Quality Assurance Certification there is one certification known as CQA (Certified Quality Assurer)

Now as u r from India, STQC A Govt of India undertaking also conducts various courses which are priced reasonably and are accepted across the industry....

Find here some of the courses offered by STQC in field of Quality Certification

Certified Training Programmes

Certified Software Quality Professional (CSQP)

Certified Software Test Managers (CSTM)

Certified Internal S/W Quality Auditor (CISQA)
Knowledge Based Training Courses

Software Project Management (SPM)

Software Metrics and Measurements (SMM)

Software Testing & Tools (STT)

Software Configuration Management (SCM)

ISO 9000 : 2000 or Software Industry (ISO - SW)

Internal Quality Audit for Software Industry (IQA)

Software Quality Assurance (SQA)

Overview to Capability Maturity Model Integrated (CMMI) SE/S/W, V1.1 staged representations



Visit http://stqc.nic.in/itservices/straining.htm to know about courses offered by them.....