New Delhi, Nov 29 (ANI): Rannvijay Singh was in the national capital to promote the 'Live the Zen life with Rannvijay', a special campaign by electronic ASUS. Speaking at the event the 'Roadies' star talked about the challenge and said.. The campaign is spread across five weeks and is launched for the company's Zenfone series in which every week there will be a new challenge given to the star of adventure Ranvvijay. Well, we wish you all the best for the challenge Rannvijay!!