As a workshop of civil department for four days is organized in our collage. So Sir was very busy these days. Most of the times sir told me to come later. So i myself continued the work.I make 2/3 leg rectangular column successfully.  In the evening when sir examine my work then i found some fault in it. Then I consult to some civil engineering students for getting more details. Then i come to know that the radius of stirrup and the radius of the reinforced beam are different from each other. So I got the reason behind my incorrect drawing. So finally i solve it 🙂