Saikat Dey of Kolkata, West Bengal, achieved a remarkable record by creating the longest painting on paper by an individual, stretching an astonishing 4,436.1 meters (approximately 14,554.13 feet) with a width of 3.6 feet. His artwork, themed “The World,” was painted over a 30-day period, beginning on November 9, 2014, and concluding on December 9, 2014, displayed prominently at the Jagriti & Sandhyani Club Grounds in Barasat, Kolkata. While exact hours aren't specified, a 30-day continuous effort equates to roughly 720 hours a testament to an extraordinary sustained creative undertaking.