Once something happens in Bollywood, it is followed up with something similar some time later. Everyone is aware about the clash between Yash Raj Films (YRF) and Ajay Devgn Films (ADF) on the issue of exhibition of their to-be released films <em>Jab Tak Hai Jaan</em> starring Shah Rukh Khan and <em>Son of Sardaar</em> that stars Ajay Devgn besides Sanjay Dutt and Sonakshi Sinha.