Four years is tight, but can achieve the human spaceflight: ISRO's K Sivan Prime Minister Narendra Modi announcement in his Independence day address that India will launch a human spaceflight by 2022 gives a formal seal to a proposal that was initiated over a decade by India’s space agency.

Since then, Indian Space Research Organisation (Isro) has been developing the building blocks in technologies that would help achieve a mission.

“We have already developed most of the technologies,” Dr K Sivan, Isro chairman told ET’s Raghu Krishnan in an interview. Edited Excerpts:

The Prime Minister has set 2022 for a human spaceflight. How confident are you to achieve this?

Four years is tight but doable. We have built the technologies that is required for a human spaceflight. We will prepare a project and achieve the mission within the deadline.

How many crew members will be on the human spaceflight?

We have developed a crew module that can carry three people. We will initiate the work with the Indian Air Force to identify the people for the human spaceflight mission.

What is the cost of the mission. Initial proposals talked about Rs ,000 crore?

It will be lesser than that. We have already developed most of the technologies. What we need is to in building the systems and the infrastructure.

How will you raise the budget?

The Prime Minister has just announced the programme. We will send a detailed report to the government for the required funds. There has been no budget constraint for space programmes.

Which is the rocket earmarked for the human spaceflight mission?

It will be Geosynchronous Satellite Launch Vehicle Mk-III (GSLV-MKIII). It will be manrated to carry 10 tonne payload to lower earth orbit. The actual payload will be lesser than that. We are already launching unmanned missions with this rocket.

Does Isro have the resources to do a human spaceflight in four years?

We will involve the private and academia in this mission. We have established partners in the indsutry who will be able to deliver the required equipment within the deadline. Isro will largely do the programme management.

There are gaps in the man machine interface in the crew module?

We are working on it. There is enough expertise in the industry that we will utilise for crew module to undertake a safe mission.

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