| Sr. No. | Title | Registration Number | Languages | Periodicity | State | District | Owner | Publisher |
|---|---|---|---|---|---|---|---|---|
| 52721 | OOS WARTA | 31883 | Marathi | Quarterly | Maharashtra | Pune | SUGARCANE RESEARCH STATION | S.G.RANADIVE |
| 52722 | OOSMALA | 1937 | Marathi | Monthly | Maharashtra | Pune | V S KANE | V S KANE |
| 52723 | OOTACAMUND MUNCIPAL HIGH SCHOOL ANNUAL | 8208 | English,Tamil,Hindi | Annual | Tamil Nadu | The Nilgiris | MUNICIAPAL HIGH SCHOOL | S. ALBERT GNANADURAI |
| 52724 | OOTHAPOO | 42784 | Tamil | Monthly | Tamil Nadu | Chennai | S VENUGOPALAN | S VENUGOPALAN |
| 52725 | OOTRU | 29684 | Tamil | Monthly | Karnataka | Bengaluru | BANGALORE TAMIL SANGAM | G.DHAMODARAN |
| 52726 | OOTTRU THANNEER | 63698 | Tamil | Monthly | Tamil Nadu | Chennai | ETERNAL ROCK MINISTRIES TRUST | S. ANAND JOSEPH |
| 52727 | OOZHAL AMBALAM | 55392 | Tamil | Weekly | Tamil Nadu | Chennai | J.SUBRAMANIAM | J SUBRAMANIAM |
| 52728 | OOZHAL OLIPPU SEITHI | 122128 | Tamil | Monthly | Tamil Nadu | Chennai | FEDERATION OF ANTI - CORRUPTION TEAMS INDIA | N. SETHURAMAN |
| 52729 | OOZHIYAN | 11830 | Tamil | Fortnightly | Tamil Nadu | Coimbatore | G. A. VENKATACHALAM | G. A. VENKATACHALAM |
| 52730 | OPEDS GREEN VIEW | 74109 | English,Bengali | Quarterly | West Bengal | South 24 Parganas | JOKA ORGANISATIO FOR PRATECTION OF ENVIRONMENT AND DEVELOPMENT | TARIT KUMARR DUTTA |