Chef Manoj Srivastava (born on December 30, 1968) along with 7 other chefs of Gyan Vihar School of Hotel Management, from Jaipur, Rajasthan, prepared the biggest and heaviest vegetable Au-Gratin measuring 12 ft X 5 ft, weighing 560.248 kg, at Jawahar Kala Kendra, Jaipur, on March 9, 2014.