| 1 | Evaluation of trace element in soils and plants receiving waste water in Amritsar |
| Researcher: | Dhillon, Mohinder Singh |
| Guide: | Sandhu, R S |
| University: | Guru Nanak Dev University |
| Language: | English |
| 2 | Studies on heavy metal ions contamination of soil during irrigation with sewarage in Amritsar |
| Researcher: | Kuldeep Singh |
| Guide: | Sandhu, S S |
| University: | Guru Nanak Dev University |
| Language: | English |
| 3 | Analysis of trace element pollutants in ambient air of Amritsar |
| Researcher: | Manjit Singh |
| Guide: | Sandhu, R S |
| University: | Guru Nanak Dev University |
| Language: | English |
| 4 | |
| Researcher: | Harbans, Singh |
| Guide: | Brar, A S |
| University: | Guru Nanak Dev University |
| Language: | English |