The state owned, terrestrial channel Doordarshan was the only source of entertainment in India before the invasion of satellite television.

Doordarhsn (DD) in addtion to Krishi darshan had some great fillers to offer its viewers.

these fillers invoke nostalgic memories as they were second to none
Kick startign this topic with :

Ek chidiya a simple song of the pre digitised and computer graphic days brings a smile on my lips even today

http://www.youtube.com/watch?v=VK_TnmNJqao