Prime Minister Manmohan Singh is unlikely to go to Colombo for a Commonwealth summit later this month with a divided Congress core group on Friday not clearing the visit in view of strong opposition in Tamil Nadu.For More information on this news visit: http://www.itvnewsindia.com/Connect with us on Social platform at: http://www.facebook.com/newsxonlineSubscribe to our YouTube Channel: http://www.youtube.com/newsxlive