Pakistan Journal of Scientific and Industrial Research (PJSIR) is a bimonthly Journal of PCSIR; aims to publish research articles, reviews and short communications from varied key scientific disciplines. It covers all relevant topics of fundamental, technical and applied aspects of significant industrial importance. Each bimonthly issue is peer reviewed by international referees. This journal is Indexed / abstracted in Biological Abstracts and Biological Abstracts Reports, chemical Abstracts, Geo Abstracts, CAB International, Bio Sciences Information Service, Zoological Record, BIOSIS, NISC, NSDP, Current Contents, CCAB, Rapra Polymer Database, Reviews and meetings and their CD-ROM computer parts etc.