Missed the Earth hour event due to prior shooting commitment, Abhishek Bachchan

Big B is upset over his son Abhishek being left out from the Earth Hour event in Delhi however Abhishek Bachchan has clarified that due to "prior shoot commitments" he missed the Earth hour event.    
As tweeted by Abhishek "I was to be at the India Gate function (Saturday evening) being the ambassador, and all, but prior shoot commitments would not allow me. I'm tucked away in Goa. I had sent a video message for all at the event, thanking them for their participation and support, but for some reason that couldn't be shown,"    
"I hope we never have to celebrate another Earth Hour! I hope we can reverse the effects of global warming! I hope we can spread the message of a greener tomorrow," Abhishek added.  
For Earth day Abhishek was appointed as the brand ambassador World Wildlife Foundation (WWF), a campaign for the preservation of the earth by switching off electricity for an hour. "I'm told that the Earth Hour was a huge success. Well done guys. You'll have done a wonderful job in spreading the news... I believe the function at the India Gate was also very nice and well attended. Kudos to the team at WWF for pulling all this off," Abhishek added further.