When Robert runs away by carrying gold biscuits box from Pran's truck,that time the box is big and when he reaches Anthony area(Amitab Bacchan),the box becomes small.
When Amitabh Bachchan, Vinod Khanna and Rishi Kapoor go to the villain's lair to bring back the damsels in distress, they have disguise themselves as a Bandmaster, a tailor and a priest so that they are not recognized. Then they go ahead and sing a song "Amar Akbar Anthony", their names in the movie, and the villains still cannot put two and two togeather. Isn't it lucky for our Indian heroes that all the villains are not mathematecians ?
Three men donate blood at the same time to the same person!