Megastar Amitabh Bachchan has wrapped up shooting for Ribhu Dasgupta's directorial "TE3N".Amitabh, who will be seen along with Vidya Balan and Nawazuddin Siddiqui in the upcoming thriller, took to Twitter to mention that he was going through "withdrawal symptoms". "Wrap on film 'TE3N'! Withdrawal symptoms and most difficult to leave them, you see in picture! TYK," Amitabh wrote on Saturday night."The withdrawal symptoms predominated at the closing of the 'last shot' with the unit... and the disappearance from the love of the Kolkatans is truly the pain greater than any other," the "Piku" star mentioned on his blog.The 73-year-old thespian also thanked the people of Kolkata, where the movie has been extensively shot, and shared an image of him waving at the people resent at the set. "TYK: Thank You Kolkata," he added.Produced by Sujoy Ghosh, "TE3N" is slated to release in 2016.