Actor Rana Daggubati can not attend the grand audio launch of Tamil filmmaker Shankar magnum opus "I" where the Hollywood star Arnold Schwarzenegger is the chief guest. 

Rana, who was invited as a guest for the audio launch Monday is out of Abu Dhabi to shoot for Akshay Kumar-starrer Neeraj Pandey 'Baby'. 

"It will not be able to get to the 'I' audio release this afternoon because of filming. Shall not have a big event. Missing the opportunity to see legands enSchwarzenegger ysuperstarrajini scenario," Rana tweeted Monday. 

Schwarzenegger landed in Chennai Monday morning to attend the event, which will also be honored by film legend Rajinikanth.

Aascar Ravichandran produced-"I," which was formerly titled 'Ai' has Vikram and Amy Jackson in the lead roles. Reportedly made ​​with a budget of Rs.180 crore, and has been on the floors for almost two years. 

Post-production work of the film, with many visual effects, is currently underway. 

Rana has sent his best wishes for the film crew.