1. Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad-Pakistan
2. Department of Forestry, Range and Wildlife Management, the Islamia University of Bahawalpur, Pakistan
3. Department of Zoology, Rawalpindi Women University, Rawalpindi, Pakistan
4. Environmental Analytical Laboratory, National Physical and Standard Laboratory PCSIR, Islamabad, Pakistan