| 1 | Studies on variability and genetic divergence in rice, Oryza sativa L cultivars of U P hills | |
| Researcher: | Singh, Harpal | |
| Guide: | Pandya, B P | |
| University: | Govind Ballabh Pant University of Agricultural and Technology | |
| Language: | English | |
| 2 | Study on the nitrogenous fertilizer economy in wheat through weed control | |
| Researcher: | Singh, Harpal | |
| University: | Ch Charan Singh University | |
| Language: | English | |
| 3 | ||
| Researcher: | Singh, Harpal | |
| University: | University of Delhi | |
| Language: | English | |
| 4 | ||
| Researcher: | Singh, Harpal | |
| University: | Punjab Agricultural University | |
| Language: | English | |
| 5 | ||
| Researcher: | Singh, Harpal | |
| University: | Punjabi University | |
| Language: | English | |
| 6 | Development of digital image watermarking technique using transform domain | |
| Researcher: | Singh, Harpal | |
| Guide: | Kaur, Lakhwinder | |
| University: | Punjabi University | |
| Language: | English | |
| Shodhganga | ||
| 7 | ||
| Researcher: | Singh, Harpal | |
| Guide: | Deveshwar, Surinder Kumar | |
| University: | Panjab University | |
| Language: | English | |
| Shodhganga | ||
| 8 | ||
| Researcher: | Singh, Harpal | |
| University: | University of Rajasthan | |
| Language: | English | |
| 9 | ||
| Researcher: | Singh, Harpal | |
| Guide: | n.d. | |
| University: | Panjab University | |
| Language: | Hindi | |
| Shodhganga | ||