| 241 | ||
| Researcher: | Narayanaswamy, S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 242 | Preparation of some substituted 4-piperidinols and a study of their conformation | |
| Researcher: | Padma, N | |
| University: | Annamalai University | |
| Language: | English | |
| 243 | ||
| Researcher: | Pai, B Ramachandra | |
| University: | University of Madras | |
| Language: | English | |
| 244 | Synthesis of physiologically active compounds derived from nitrogen heterocyclics | |
| Researcher: | Parthasarathy, T N | |
| University: | Osmania University | |
| Language: | English | |
| 245 | Synthesis of medicinal N and S containing heterocyclic compounds | |
| Researcher: | Patel, Prahladrai Babardas | |
| University: | Gujarat University | |
| Language: | English | |
| 246 | synthesis of piperazine derivatives as possible central nervous system depressants | |
| Researcher: | Petigara, Rameshchandra Balubhai | |
| University: | University of Mumbai | |
| Language: | English | |
| 247 | ||
| Researcher: | Prabhakar, S | |
| University: | University of Madras | |
| Language: | English | |
| 248 | ||
| Researcher: | Radhakrishnan, T R | |
| University: | Annamalai University | |
| Language: | English | |
| 249 | ||
| Researcher: | Ragade, Indukanth S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 250 | ||
| Researcher: | Rajagopalan, K | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 251 | ||
| Researcher: | Rajappa, S | |
| University: | University of Madras | |
| Language: | English | |
| 252 | ||
| Researcher: | Ramachandran, M | |
| University: | University of Madras | |
| Language: | English | |
| 253 | ||
| Researcher: | Ramadoss, C V | |
| University: | University of Madras | |
| Language: | English | |
| 254 | Studies on some heterocyclic N-oxides in the pyridine and quinoline series | |
| Researcher: | Ramaih, K | |
| University: | Osmania University | |
| Language: | English | |
| 255 | Studies in nitrogen rings and studies on the constituents of some natural fats | |
| Researcher: | Raman, P S | |
| University: | University of Madras | |
| Language: | English | |
| 256 | Studies in the formation of heterocyclic rings from O-phenylene diamines and aromatic aldehydes | |
| Researcher: | Ratnam, Ghengalvala Venkat | |
| University: | Osmania University | |
| Language: | English | |
| 257 | synthesis of some pyrimidine derivatives and action on certain microorganisms | |
| Researcher: | Raybarman, Pradip Kumar | |
| University: | University of Calcutta | |
| Language: | English | |
| 258 | ||
| Researcher: | Raychaudhari, Rekha | |
| University: | University of Calcutta | |
| Language: | English | |
| 259 | ||
| Researcher: | Revankar, G R | |
| University: | Karnatak University | |
| Language: | English | |
| Shodhganga | ||
| 260 | ||
| Researcher: | Salgar, Satish Sadashiv | |
| University: | University of Mumbai | |
| Language: | English | |