dd direct plus channels available by sundirect dish,u have to use another reciever.it's free!!!!!!!!!!!!!!!1
check links

http://www.ddindia.gov.in/Homepage/Program+Column+2/DTH.htm

http://www.lyngsat.com/in4b.html

it may be available through tatasky dish,in same direction.

some other free south indian channels on insat 2e 83 degree
but u have to install another dish
check the link
http://www.lyngsat.com/in83.html