For the first time ever, heroine Rakul Preet Singh has opened her mouth on why she has to exit from Mahesh Babu's next. She is the leading lady in Srikanth Addala's “Brahmotsavam" which will be shot on Mahesh in Vijayawada and will be released on January 8th 2015. “I've give dates to Mahesh Babu's film for a later month. Now that I'm busy with Charan's movie and then Jr NTR's film will start in a month, I can't pull dates for Mahesh because Brahmotsavam team wanted dates from July itself. That's why I've opted out", said Rakul Preet, as to why she opted out from Mahesh movie.Rakul is currently busy with shooting of Charan's movie near a set erected in Shamshabad.