Center of Plasma Physics, Institute for Plasma Research, Sonapur, Kamrup, Assam, became a new campus of IPR as Center of Plasma Physics, Sonapur was formally merged with IPR with effect from 29th May, 2009. The Center of Plasma Physics(CPP) was established in the year 1991 by Govt. of Assam as a research institute to pursue basic research in theoretical and experimental plasma physics. The centre started functioning from a rented premise at Dispur, Guwahati, before moving to it's own premises at Sonapur, Kamrup district, Assam. The center grew from a small group of scientists to a major research institute in North East India.