Solved the problem…
Actually mt 29inch TV is 4:3, so I had to adjust the dvd setting to watch it in 16:9 mode…
It was becoming anamorphic
Then I exported the avi out of the 16:9 project and imported it in a new 4:3 project and scaled it…works great.
Now I can view 16:9 in 4:3 Tv by default.
Raj