Chennai, May 16 -- The countdown for the May 18 launch of PSLV-C61/EOS-09 mission that would enhance earth observation capabilities and provide high-resolution radar imagery, especially of India's border regions, would begin on Saturday morning.

This is ISRO's 101st mission.

The four-stage 44.5 m tall PSLV-C61, with a lift of mass of 321 tonnes, in its 63rd flight, will take off from the First Launch Pad at 0559 hrs on Sunday morning from the spaceport of Sriharikota, carrying the earth observation satellite EOS-09, weighing 1,692.24 kg.

Sources said it is likely to be a 25 hr countdown beginningat 0449 hrs tomorrow.

This mission is significant as it would give a big boost to the surveillance in border areas of India amid Indo-Pak ...