Megastar Amitabh Bachchan has reunited with cinema icon Kamal Haasan after almost four decades, as the shoot for the much-anticipated sequel to Kalki 2898 AD has begun.

Big B took to his blog where he shared a string of pictures from the sets of Kalki 2 in the character of Ashwatthama, the son of sage and warrior Dronacharya. He even shared pictures with Kamal and said that the two last worked together in the 1985 film Geraftaar directed by Prayag Raaj.