After the failure of the GSLV launch in July last year, scientists at the Indian Space Research Organisation (ISRO) have begun their countdown for the launch of Polar Satellite Launch Vehicle (PSLV)-C7 tomorrow. The PSLV will put into orbit a remote sensing satellite with mapping applications and a space capsule programmed to return to earth. According to ISRO sources, the launch will be from Sriharikota in Andhra Pradesh at 9.30 am tomorrow.