Why Pawan Kalyan got very emotional?

Buzz is that Pawan Kalyan has become very emotional while watching one of the Sankranthi release. Can anyone guess which is the film that moved Powerstar to well? Yes, Its 'Nannaku Prematho'!

If the sources are to be believed, Pawan Kalyan took time to watch 'Nannaku Prematho' in a private screening. During the Climax, The actor-turned-politician went emotional as it reminded him of his father. 

As per reports, Pawan Kalyan is all praise for Sukumar's creativity & NTR-Rajendra Prasad's emotional performance. However, there is no official confirmation in this regard from the makers.

'Nannaku Prematho' is running successful in 2nd Week in several hundred theatres across the World. It is already termed as the biggest commercial success in NTR's career.