Indian Institute of Geomagnetism has been the part of Indian Antarctic Expedition programme since from the First expedition (1981-82). Earlier geomagnetic observations at Dakshin Gangotri-Maitri were short time measurements. Through out the year measurements started only in 1986. Since then we have fairly good continues analog and digital Data. The analysis of geomagnetic data has proved that Maitri occupy sub-auroral position during quiet times, with increasing disturbance, the auroral oval expand and ...