(N.B:This constitution was approved in the 2nd meeting of "Proceedings of Parasitology "held on Wednesday 15th Feb, 2017 at the Old Guest House, University of Karachi, Karachi-75270, Pakistan, after some necessary amendments by the members of the meeting. The meeting was chaired by Dr. Aly Khan, CDRI, University of Karachi, Karachi-75270 Pakistan)