Sistla Ramakrishna Rao (born on April 12, 1939) of Vishakhapatnam makes pictures using his finger nails without using any color and paint. Using his left thumb and middle finger, he embosses three-dimensional pictures on 7×5 inches cards. His masterpiece which he started in 1981 and completed in 1995 is related with 800-odd pictures based on Valmiki Ramayan’s seven cantos.