data 5dGet details of Open Data Events, Visualizations, Blogs, and Infographics. Open Government Data Platform (OGD) India is a single-point of access to DatasetsApps in open format published by5D optical storage readout. (a) Birefringence measurement of the data record in three separate layers. (b) Enlarged 5×5 dots array. Pseudo colour indicated the orientation of slow axis.