data entry form

In my Drupal 7 project I have two node types:

1. Student (Roll_No,Name,Qualifcation)
2. Courses (Course_Code, Course_Name,Fees,Duration)

First I have added a number of courses - for e.g. Drupal, Magento, CakePHP..

Now I want a simple data entry form called Admission for entering student data where we should get a field "Course

Selected" as a drop-down list showing all the available courses.

I have installed the Relation module (and enabled all the submodules in the pack) and can establish relations between a