Megastar Amitabh Bachchan is 'saddened' by the death of his close friend, and says life is "unpredictable", so live when you have the chance.

The 73-year-old cine icon, who is shooting in Kolkata for his upcoming film "TE3N" here, shared his views on his blog.

"Life is so fulfilling and unpredictable...work continues...and in the middle comes news of a childhood friend, close family ties, classmate, connect till just last month, of wishes and conversation and exchange of properties of my father left at his house in Allahabad...Suddenly passes away this morning! Shocked and grieved and saddened! What to do or say or how to grieve and do what? So live," the actor shared.

On the work front, Big B is busy shooting for Ribhu Dasgupta directorial along with Nawazuddin Siddiqui. The actor used photographs to update his fans and well-wishers about his professional life.

Before posting a string of images from the shoot, he shared: "The day begins at 5 a.m... the work continues till late night...the love of the well wishers so warm and welcome...the time not for writing in words but in pictures...accepted?".

Meanwhile, Big B is also all charged up for the release of "Wazir", in which he stars with Farhan Akhtar. The film, which narrates an action-packed story weaved with through the game of chess, will hit the screens on Friday.