The 49-hour countdown for launch of ISRO's PSLV C23 carrying a French Earth observation satellite along with four others from Singapore, Canada and Germany on June 30, commenced at the spaceport of Sriharikota today.

ISRO in a statement said the 49 hour countdown of PSLV C23 Mission started at 08:52 AM this morning at Satish Dhawan Space Centre at Sriharikota.

Prime Minister Narendra Modi is set to witness the launch of the satellite from the first launch pad at Satish Dhawan Space Centre at Sriharikota.

ISRO has so far launched 35 satellites of foreign countries onboard its workhorse Polar Satellite Launch Vehicle.