Studies on prevalence and identification of stem and root diseases of Poplar in Ludhiana district de réir Gurcharan Singh

Water supply and sanitary engineering (Environmental engineering) de réir Gurcharan Singh

Ornamental horticulture in India de réir Randhawa, Gurcharan Singh

Watershed management plan UHL Khad Watershed (No. 21-R of Beas Basin) Himachal Pradesh 1972-73 to 1981-82

Rannpháirtithe: “…Gurcharan Singh…”