I think contact between study center & you is the best way for distance study. I am also a distance learner from IGNOU and complete BLISc, MLISc and PGDLAN. In my case i feel that some of the part of study where need a valuable suggestion and hand on experience from expert which you find at study center. You also know it because you complete BLISc from IGNOU. I am from Kolkata Region and i got lots of suggestion from our academic expert.