GOPAL JI GUPTA

geology earth science mcq's jam gate net ppt rocks geography climatology shabad limestone gogi fault purana basin stratigraphy bhima basin economics ore nodule nodules manganese bends light and dark layering metamorphic differentiation networking cloud types cloud meterology cloud classification slide share passive sensor active sensor remote sensing sensors platforms aphelion perihelion vernal equinox autumnal equinox winter solstice summer solstice ugc csir geology net mesosphere troposphere stratosphere ozone air atmosphere abhrak mica minerals minerology earthscience petrology