While India's interplanetary ambitions remain significant, the current pace of financial and technical progress raises questions about whether the 2027-2028 timelines can be met.
Only three countries (United States, Russia and China) have successfully landed spacecraft on the airless lunar surface.
NASA's New Horizons spacecraft has returned the best colour and the highest resolution images yet of Pluto's largest moon, Charon, which show a surprisingly complex and violent history.
India, with its demonstrated capabilities of undertaking low cost high value inter-planetary travel, offers great opportunities for NASA to work with.
The Announcement of Opportunity (AO) is for space experiments by institutions in the country, and the last date for receiving the proposals is May 19, 2017, the Bengaluru-headquartered ISRO said.
The Chandrayaan-2 will conduct the next level of scientific studies on the Moon, writes T E Narasimhan.