Is IJCA a valid open access journal? Can someone let me know whether IJCA (http://www.ijcaonline.org/) is a valid open access journal to publish our research work?

BR,
Tharindu from Sri Lanka
This journal is in Beall's list of predatory journals, which is a strong indicator that you should not publish your work in this journal.  (This question and its answers explain what a "predatory" journal is.)

You might also be interested in the answers to this question, which describe how to evaluate the quality of a journal.