Mumbai, Jan 13 (IANS): Megastar Amitabh Bachchan will visit Ahmedabad Wednesday for the promotion of his upcoming movie "Shamitabh".

After enthralling his fans of Ahmedabad, the "Paa" star will leave on a multi-city tour. However, Amitabh has cautioned his fans of any unexpected changes.

"Ahmedabad first on 14th...then a host of other cities - Delhi, Kolkata, Chennai, Dubai, London and perhaps Pune," Amitabh, who is also the brand ambassador of Gujarat Tourism, posted on his blog srbachchan.tumblr.com.

"These are informed promotion acts by authorities that make them...they may all come out true or may just fade away with some drastic last minute changes...beware...but I do sincerely hope they do not," he added.

The 72-year-old is excited to experience different cultures by the jaunts.

"The next few days till the end of the month and the release of the film shall see many moods and places and promotions for 'Shamitabh’,” he added.

R. Balki's movie has southern superstar Dhanush in a key role and marks debut of Kamal Haasan's daughter Akshara Haasan. The film is set to release Feb 6.