BANGALORE โ€” Indiaโ€™s plans to launch humans into space have been delayed at least โ€œfor the next five years,โ€ K. Radhakrishnan, chairman of the Indian Space Research Organisation (ISRO), told reporters Sept. 17.

Radhakrishnan said that although the Indian government had sanctioned around 1.5 billion rupees ($28 million) for preproject studies, the project still lacks formal government approval to proceed.

ISROโ€™s original plan announced in 2006 aimed to put two astronauts in orbit for a week and bring them back safely to Earth. ISRO estimated the mission would cost about $2.5 billion and could be launched in 2014 or 2015. As a precursor to a manned mission, ISRO launched and recovered a 550-kilogram space capsule in 2007.

The following year, ISRO signed an agreement with the Russian Federal Space Agency, Roscosmos, under which Russia would fly an Indian astronaut on a Soyuz spacecraft in 2013 and help with crew selection, training and construction of ISROโ€™s envisioned three-ton orbiter.

Based in Bangalore, Killugudi S. Jayaraman holds a doctorate in nuclear physics from the University of Maryland and a master's degree in journalism from the Medill School of Journalism at Northwestern University. He was formerly science editor of the...