| No. | Album | Year |
|---|---|---|
| 46 | Osthe | 2011 |
| 47 | Oru Naal Oru Kanavu | 2005 |
| 48 | Once More | 1997 |
| 49 | Oram Po | 2007 |
| 50 | Ooru Vittu Ooru Vanthu | 1990 |
| 51 | Oru Kaidhiyin Diary | 1985 |
| 52 | Oru Kal Oru Kannadi | 2012 |
| 53 | Oru Naal Koothu | 2016 |
| 54 | Oru Thaai Makkal | 1971 |
| 55 | Ooty Varai Uravu | 1967 |
| 56 | Oorellam Un Paattu | |
| 57 | Oru Melliya Kodu | 2016 |
| 58 | Onbadhu Roobai Nottu | 2007 |
| 59 | Oomai Ullangal | 1986 |