The study was aimed to evaluate collected drug promotional brochures for accuracy, consistency, and validity of the information presented in it, using World Health Organization (WHO) criteria for ethical medicinal drug promotion. Drug promotional brochures were evaluated for the type of claims and pictorial content presented in it and for references cited in support of these claims. This observational, study was conducted by collecting approximately thousands leave behind brochures. From outpatient departments of A.N Magadh Medical College and Hospital Gaya, Bihar. In addition to the fulfillment of "WHO Criteria, 1988", we examined 646 promotional brochures for the type of claims and pictorial content presented in it and references quoted in support of claims to check their irretrievability, type and and authenticity. None of the promotional literature fulfilled all WHO criteria. Majority (91.9%) brochures claimed about the efficacy of product, and a few about safety (37.9%). Out of 996 references given in support of various claims, 84.4% were from journals and only 28.5% were validly presented researches. Brochures presenting irrelevant pictures were 41.3% where brief prescription information (BPI) of the promoted drug was given only by 8.8% brochures. Pharmaceutical industries did not follow the WHO guidelines while promoting their products, thus aiming to satisfying their commercial motive rather than fulfill the educational aspect of promotion.