Please visit this below link for all Public Administration IGNOU videos. It helps you to get all the Pub.Admin topic at once place.
You can find this link in the separate section "Videos for IAS" in blog.
Please join in Mission IAS- 2015,Team work for CSE-2014 and Team Work for CSE-2015 groups in Facebook which hosted valuable material and others need for your preparation.
All the best for your preparation.