Trade promotions between manufacturers and retailers aim to increase product demand but often result in distrust. Retailers may purchase more than needed during promotions and divert products to other retailers for profit. The document proposes alternative promotion models called "scan backs" that reward retailers based on actual sales performance rather than purchases. This eliminates issues like forward buying and diverting. While challenges exist in implementing new models, strategies like involving auditors, changing compensation structures, and experimentation could help transition to more collaborative and profitable promotions for both parties. Solutions must also account for India's large unorganized retail sector.