Guest Seminar hasbeen Organized by the department of chemistry on 04/03/23 on the topic“evaluation of graphene-based biopolymer nanoparticle as potential adsorbed forremoved of toxic metal ion in coal field effluents in chemistry. Under post-graduationM.sc IV ^th Semester student participated in the seminar Smt. PrabhaRaj explained how to remove toxic elements and how to prepare for competitionexam.