Sun TV Network Ltd today said it was raising ad rates on its flagship Tamil channel by 9-33% w.e.f 1 January 2010.

It has also raised ad rates and broadcast fee (received from content creators who essentially lease air time) across all of the company’s Tamil channels.

Revised ad rates for the company’s entertainment channels in other south Indian languages will be announced soon. Sun TV is the dominant broadcaster in South India, with properties in all four states.