Many thanks for your help. I have made the changes as suggested but still I am not able to access groovy console. I can see that for one of the bundles it is giving error as "cannot be resolved. I am attaching the screenshot for it and also all the changes I have made.
Thanks for your response. I had a look to the maven repository. I am familiar with maven but only as a beginner. It will be helpful if you guide me how to install maven repository. Also I have downlaoded jar file. I am not getting how AEM and Maven will interact.
I am familiar with java and building code or resolving dependencies using in java using maven. So, Please help me to rectify this.