hi,

see you did not appear in b.a papers in second year and from that of the year you are not continue your course, some times college gives a time span, here there is not much information available for time limit to again appear in improvement exam of school of distance learning (sol) , delhi univeristy. candidates need to fill the application form after declaration of result , so it would be best if you directly contact with college authority or exam center authority relating your issues.