IJCRRI Journ Cur Res ReInternational Journal of Current Research and ReviewI Journ Cur Res Re2231-21960975-5241Radiance Research Academy2006General SciencesCORRELATION BETWEEN THE GLOBAL RADIATION AND SOLAR INDICES umathi.RSSelvaraj.RSamuel29092012)129132This article is copyright of Popeye Publishing, 20092009This is an open-access article distributed under the terms of the Creative Commons Attribution (CC BY 4.0) Licence. You may share and adapt the material, but must give appropriate credit to the source, provide a link to the licence, and indicate if changes were made.

The relationship between Global radiation on a horizontal surface at Chennai and solar indices(smoothed sunspot number,10.7cm solar flux, aa index and sunspot area) are individually analyzed in this paper. Analysis has been done for the period from 2008-2010. The method used for the analysis has been Least square regression method. The relationship revealed that the Global radiation correlates negatively with the solar indices.