The record for making First working Robot with calcium carbonate(CaCO3) was set by S. Chandrasekar (born on March 26, 2000) of Kancheepuram, Tamil Nadu. For forward, backward, left and right movements as well as for rotating its head, the robot uses three Arduino, one Bluetooth Module, L298d Motor shield driver, three servo motor and MAX 7219 LED Matrix (8×8) for eyes. The robot uses Google assistant for human communication, as confirmed on March 24, 2020.