The national space agency ISRO is readying for its first ever multiple satellite launch in a single mission in two different orbits. The proven workhorse PSLV C35 with eight satellites on board is scheduled to blast off at 9.12 am tomorrow from the first launch pad of the Satish Dhawan Space Centre, Sriharikotta. <br/><br/>The satellites that will be carried into space include the primary payload SCATSAT-1 of India, weighing 371 kg, and seven other customer payloads together weighing 304 kg during lift off. The weather satellite SCATSAT-1 will be hurled into a polar sun synchro nous orbit of 730 kilometer height to serve as a continuity mission for the highly acclaimed Oceansat-2 that has completed its operational life. <br/><br/>Algeria's three smaller payloads meant for earth observation, remote sensing and technology demonstration, an US customer's high resolution imaging microsatellite, a Canadian nano-satellite to experiment reduction of space debris, a student-satellite of the IIT, Bombay called Pratham and another payload developed by a consortiumled by the PES University in Bengaluru are the other seven satellites riding piggyback on the SCATSAT-1, though they will be injected into a different orbit as compared to the principal payload.