Cosmic ray anisotropy at various scales has been observed over the past decade by multiple
experiments in both the Northern and Southern Hemispheres. The GRAPES-3 experiment, located
at 11.4 degrees North, is well positioned to study a significant portion of both hemispheres, covering
nearly 70 percent of the sky at TeV energies. Observing large-scale anisotropy is particularly
challenging since the effect is extremely small, measuring less than 0.1%, while detector and
atmospheric influences can reach up to 5% and must be carefully mitigated. Using one year
of data collected by GRAPES-3 between January 1, 2013, and December 31, 2013, we apply
the iterative maximum likelihood method to extract the large-scale anisotropy. The detection
significance reaches 6 standard deviations. The results, along with a comparison to findings from
other experiments, are described in this proceeding.