School students and teachers, armed forces personnel and officers, Government babus and Ministers, corporate executives and yoga gurus, diplomats and commoners will perform yoga — be it on air, land and sea as India makes its bid to enter the Guinness Book of World Records in the category of the largest yoga demonstration at a single venue by 37,500 people at one go on Rajpath in an event almost on par in grandness and extravagance with the Republic Day parade.