Dabur India Limited selected 30 persons as 'Immunity Ambassadors' for creating awareness on the need of building stronger immunity in Bihar and Uttar Pradesh at a function in Patna on March 16, 2011. Hindi and Bhojpuri films star Ravi Kishan, who is the brand ambassador of the company, will take the "Immune India" campaign to the respective villages of the selected youths. Ravi Kishan was present in the function.Photo: Aftab Alam Siddiqui