First of all i thank you very much for replying me.
I am interest in Security testing for Webased applications.
I have a zeal to learn & put my effort to upgrade my carrer.
Plz can u plz suggest me some good books & online resources so that i can plan & start reading.
Security Testing is a vast domain and beyond some general principles gets really specific based on the nature of application.
I have primarily dealt with fuzzing so far and I can point you to the related sources as well. Beyond that I have been exploring assembly programming, binary debugging and malware reversing. I am relatively new to these areas and find it quite complex at times.
Please let me know your area of interest. E.g. Network/Web/App security and I shall point you to some good online resourses and books on the subject.