| 1 | ||
| Researcher: | Ratnam, S | |
| Guide: | Subramanian, S | |
| University: | University of Madras | |
| Language: | English | |
| 2 | ||
| Researcher: | Ratnam, S | |
| University: | Andhra University | |
| Language: | English | |
| 3 | ||
| Researcher: | Ratnam S | |
| Guide: | Subramanian S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 4 | Studies on electroslag remelting of quality steels and nickel base alloys | |
| Researcher: | Ratnam, Uppala | |
| Guide: | Abraham, K PHajra, J P | |
| University: | Indian Institute of Science | |
| Language: | English | |
| 5 | ||
| Researcher: | Ratnam, Kanaka | |
| Guide: | Ali, Syed Ayub Ali | |
| University: | Kakatiya University | |
| Language: | English | |
| 6 | comparative study of the gitas in mahabharata and of the puranas | |
| Researcher: | Ratnam, Nilakantan | |
| University: | University of Delhi | |
| Language: | English | |
| 7 | ||
| Researcher: | Ratnam, Bharat | |
| Guide: | Pande, Savita | |
| University: | Jawaharlal Nehru University | |
| Language: | Hindi | |
| 8 | ||
| Researcher: | Ratnam, P | |
| Guide: | Bhattacharya, A B | |
| University: | Indian Institute of Technology-delhi | |
| Language: | English | |
| 9 | ||
| Researcher: | Ratnam, Kanchana | |
| University: | University of Madras | |
| Language: | English | |
| 10 | ||
| Researcher: | Venkata Ratnam, T | |
| University: | Andhra University | |
| Language: | English | |
| 11 | ||
| Researcher: | Ratnam, Chappala | |
| University: | Andhra University | |
| Language: | English | |
| 12 | ||
| Researcher: | Raja Ratnam, S | |
| University: | Andhra University | |
| Language: | English | |
| 13 | ||
| Researcher: | Ratnam, Jeetika S | |
| Guide: | Singh, Kamal | |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | |
| Language: | English | |
| 14 | Me vikendrikarn: general Ayub khan and general Pervez Musharraf sashan kal ka tulnatmak adhayan | |
| Researcher: | Ratnam, Bharat | |
| Guide: | Pande, Savita | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| Shodhganga | ||
| 15 | Comparative study of the Gitas in the Mahabharata and the Puranas | |
| Researcher: | Nilakantan, Ratnam | |
| Guide: | Nilakantan, Ratnam | |
| University: | University of Delhi | |
| Language: | English | |
| 16 | ||
| Researcher: | Ratnam, Sudha | |
| Guide: | Kumar, Shiv | |
| University: | Dayalbagh Educational Institute(Deemed University), Agra | |
| Language: | English | |
| 17 | ||
| Researcher: | Sunita Ratnam S | |
| Guide: | Madhukar K | |
| University: | Osmania University | |
| Language: | English | |
| Shodhganga | ||
| 18 | Development Trajectories of ESL Teachers A Sociogenetic Approach | |
| Researcher: | Tara Ratnam | |
| Guide: | Rachel Lalitha Eapen | |
| University: | The English and Foreign Languages University, Hyderabad | |
| Language: | English | |
| Shodhganga | ||
| 19 | Effect of Self Reflective Learning On the Leadership in the Non Governmental Organizations Ngos | |
| Researcher: | Ratnam, Sudha | |
| Guide: | Swarup, K. Santi | |
| University: | Dayalbagh Educational Institute | |
| Language: | English | |
| Shodhganga | ||
| 20 | Glass reinforced superhydrophobic nanocomposite coating for corrosion inhibition | |
| Researcher: | Ratnam, Devina | |
| Guide: | Bhaumik, Soubhik Kumar | |
| University: | Indian School of Mines, Dhanbad | |
| Language: | English | |