Aligarh Muslim University, Aligarh, Available Volumes: Vol.36-39,1990-93 Gulbarga University, Gulbarga, Available Volumes: Vol.29-39,1983-93 Space Applications Centre (SAC), Available Volumes: Vol.12,1966- Jawaharlal Nehru University, New Delhi, Available Volumes: Vol.29,1983 Mahatma Gandhi University, Kottayam, Available Volumes: Vol.37-39,1991-93 University of North Bengal, Siliguri, Available Volumes: 1989 Indian Institute of Technology, Roorkee, Available Volumes: Vol.36-1990-; Vol.39,1993-