With International Yoga Day around the corner, Mr Navneet Sikera, an Inspector General from Lucknow on Wednesday accepted Prime Minister Narendra Modi's fitness challenge. A work-out video of Sikera, doing 67 push-ups non-stop and dedicating it to PM Modi has gone viral on social networking sites. Being touted as a Dabaang officer, Sikera regularly hits the gym and is known to be very conscious about his health and fitness. Watch News Nation's special show Zero Hour to stay updated with all the latest news all over the world.