Indian Space Research Organisation, ISRO today announced that it would launch 31 satellites, including India's Cartosat-2 series earth observation spacecraft, in a single mission onboard its Polar rocket on January 10. The mission will be the first Polar Satellite Launch Vehicle (PSLV) mission after the unsuccessful launch of navigation satellite IRNSS-1H in August.<br/><br/>The mission's main payload would be India's Cartosat-2 series earth observation satellite. PSLV-C40 will be used for the launch from the spaceport in Andhra Pradesh's Sriharikota, about 100 km from Chennai.The mission would be a combination of 28 nanosatellites from foreign countries, including Finland, US and one micro and nanosatellite from India along with one Cartosat satellite, the official said.<br/><br/>On August 31, India's mission to launch its backup navigation satellite IRNSS-1H on board PSLV-C39 ended in a failure after a technical fault on the final leg following a perfect launch. This would be the third satellite in the Cartosat-2 series.