26-year-old Arvind Mishra, an assistant professor at Dehradun's Graphic Era University where he teaches Mechanical Engineering, broke the Guinness record of 121 hours in the non-stop lecturing category on Thursday. The last world record was held by Polish national Errol Muzawazi who gave a lecture on 'Democracy and Cultural Dialogue.' The topic of Arvind's lecture is 'Scientific Computation' and has delivered lecture for 139.42 hours.<br /><br />Subscribe now and watch more City and Campus videos at http://bit.ly/18P42Ol<br />Get some more dose of fun at http://bit.ly/ZhXpzm