Prime Minister Narendra Modi today hailed Indian Space Research Organisation scientists for the successful launch of six Singapore satellites, saying it was a 'momentous feat'.

'Our scientists at @isro accomplish another momentous feat. Congrats to them on PSLV-C29 successfully launching 6 Singapore satellites,' he tweeted.

'The launch, coming at a time when we mark 50 years of India-Singapore ties is significant. India cherishes strong relations with Singapore,' he said.

The ISRO successfully launched the Singapore satellites from the first launch pad of the Satish Dhawan Space Centre on Wednesday evening.