ISRO's 100th mission ready to take off, Prime Minister to witness event

Sriharikota: The Indian Space Research Organisation (ISRO) is on the verge of a historic century as it gears up for its 100th indigenous mission today. The space agency's old warhorse, the Polar Satellite Launch Vehicle (PSLV), will blast off into space with two foreign satellites from the spaceport of Sriharikota in Andhra Pradesh.

Prime Minister Manmohan Singh is at the Satish Dhawan Space Centre in Sriharikota to witness the landmark event as the PSLV is scheduled to take off at 9:51am.

"Reaching a hundred is an important milestone like in cricket, but this ISRO's century is unique as each mission is unique...there have been failures and successes but overall, the future is very bright," K Kasturirangan, former chief and a member of ISRO, said.

During the 51-hour countdown that began at 6:51 am on September 7, mandatory checks on the launch vehicle and spacecraft would be carried out and charging of batteries and pressurisation of propellant tanks on board the satellite would be performed, ISRO had said.

As part of the mission, 720-kg SPOT-6 remote sensing satellite from France (built by ASTRIUM SAS) and a 15-kg Japanese spacecraft PROITERES would be placed in orbit by ISRO's PSLV C-21. The launch of the foreign satellites is also indicative of the rapid strides made by ISRO in furthering the nation's space programme - today's launch, a purely commercial one, has firmly placed the country in a select club of rocket-makers on which private utilities can bank upon to launch their operational satellites in a cost-effective and reliable manner.

"In this 100th launch, there is a reversal of roles where an Indian launcher is carrying a French satellite," Francois Richier, French Ambassador to India, said on the major milestone. 

India, indeed, has come a long way since it launched its first satellite, Aryabhatta, in 1975. So far, the government has spent around $12 billion on ISRO, a miniscule amount compared to the US' National Aeronautics and Space Administration (NASA) which has an annual budget of $17 billion. Despite that, the space agency has, to its credit, some major achievements.

So far, ISRO has launched 63 Indian-made satellites and 36 indigenous rockets. The country's first unmanned moon mission in October 2008, Chandrayaan-1, was a huge success. The space agency has also pioneered satellite television in the country and also catalysed the telecom boom.

But the successes have also been interrupted by some massive failures. ISRO has failed to master big rocket launches what with several mid-air rocket explosions. More recently, the controversial Antrix-Devas deal involving commercial satellites have clouded the agency. It has also been unable to meet the demands for more transponders for satellite television.