| 1 | Studies on rational (Pade) approximants and some applications | |
| Researcher: | Sundar, S | |
| Guide: | Achuthan, P | |
| University: | Indian Institute of Technology-Madras | |
| Language: | English | |
| 2 | Critical studies in aspects of quantum reality, time and some applications | |
| Researcher: | Karuppath, Narayanankutty | |
| Guide: | Achuthan, PShastry, C S | |
| University: | Amrita Vishwa Vidyapeetham | |
| Language: | English | |
| Shodhganga | ||
| 3 | Studies on continued fractions and rational (pade) approximations | |
| Researcher: | Ponnusamy, S | |
| Guide: | Achuthan, P | |
| University: | Indian Institute of Technology-madras | |
| Language: | English | |
| 4 | ||
| Researcher: | Francis, Floris Beryl | |
| Guide: | Achuthan, P | |
| University: | University of Calicut | |
| Language: | English | |
| 5 | study of certain interactions of hadrons induced by the photon | |
| Researcher: | Chandramohan, T | |
| Guide: | Achuthan, P | |
| University: | Indian Institute of Technology-madras | |
| Language: | English | |
| 6 | ||
| Researcher: | Krishnaraj, D | |
| Guide: | Achuthan, P | |
| University: | University of Calicut | |
| Language: | English | |