| 1 | |
| Researcher: | Harcharan Singh |
| Guide: | Desai, R W |
| University: | University Of Delhi |
| Language: | English |
| 2 | Studies on the reproductive performance of Apis mellifera L, queen bees raised in different seasons |
| Researcher: | Harcharan Singh |
| Guide: | Chahal, B S |
| University: | Punjab Agricultural University |
| Language: | English |
| 3 | Dramatic traditions in the Punjabi (from the hoary antiquity to the year 1930 AD) |
| Researcher: | Harcharan Singh |
| Guide: | Singh, Harcharan |
| University: | University of Delhi |
| Language: | English |
| 4 | Role of immunological tests in rapid diagnosis of bacterial meningitis |
| Researcher: | Harcharan Singh |
| Guide: | Lata Saini |
| University: | University of Delhi |
| Language: | English |