Sivan recently told reporters that mission planning had progressed " smoothly" so far.

西万最近告诉记者，任务计划到目前为止进展" 顺利" 。

" We are targeting the launch for this year, but it may spill over to next year, " Sivan said.

" 我们的目标是在今年推出，但可能会延迟到明年。"

Sivan also announced that India had chosen four candidate astronauts to take part in the country's first planned piloted mission into orbit.

西万还宣布印度挑选了四名候选宇航员参加该国首次载人进入轨道的任务。