The Indian Space Research Organisation (ISRO) Monday night informed that two spacecraft that would help ISRO in demonstrating space docking, a critical technology for future space missions, got separated successfully and were placed into the desired low earth orbit late.

"PSLV C60 mission accomplished as of SpaDeX spacecraft is considered," said Mission director M Jayakumar.

In what is seen as a prelude to ISRO setting up its own Space Station by 2035, the PSLV-C60 mission would also make India join an elite club in achieving this feat which is expected to take place in the coming days.

The 44.5 metre tall rocket carried the two spacecraft -Spacecraft A and B, each weighing 220kg which would help in space docking, satellite servicing, and interplanetary missions, ISRO said.

After the end of the 25-hour countdown which commenced on Sunday, the rocket lifted off at 10 pm from the First Launch Pad at this spaceport.

According to ISRO scientists, the two spacecraft-Spacecraft A (SDX01), or the 'Chaser' and Spacecraft B (SDX02), or the 'Target' would be merged again later at an altitude of about 470 km after travelling at the same speed and distance.

By mastering the docking technologies, ISRO is eyeing to enhance its operational flexibility and expand its mission horizons.

"In-space docking technology is essential when multiple rocket launches are required to achieve common mission objectives. Through this mission, India is marching towards becoming the fourth country in the world to have space docking technology," ISRO said.

The others to achieve this technological feat are China, Russia and the US.