| 1 | Studies on rational (Pade) approximants and some applications |
| Researcher: | Sundar, S |
| Guide: | Achuthan, P |
| University: | Indian Institute of Technology-Madras |
| Language: | English |
| 2 | |
| Researcher: | Gupta, Vijay |
| Guide: | Agrawal, P N |
| University: | University of Roorkee |
| Language: | English |
| 3 | Non-Standard, Standard Approximation, Reduction Techniques and contributions to some Popular areas |
| Researcher: | Usha Sree Devi, S |
| University: | Andhra University |
| Language: | English |