After listening to Omana Penne carefully, I think it wasn't Auto Tuned. It's more like Benny tried doing that kinda effect with his singing skills. If you compare to Auto Tuned songs you will notice that glossy metallic like sound is missing in Omana Penne. What you guys think?
http://indian-music-bgm.blogspot.com/ Please do not add me in YM. I only use this account for the group...