Department of Microbiology done a interdepartmental collaborative activity with the department of Physics as a part of this activity the students of III B.Sc M.Z.C (UG) And the students from M.Sc final are take part in the study project titled as "INHIBITORY EFFECT OF ZINC NANO PARTICLES ON MICROBIAL ACTIVITY". for this They collected the samples from 3 different Ghats of River Godavari and plated the serially diluted samples on agar plates identified the no.of colonies formed after the Incubation.