Consumer Protection Act, 1986–Sec. 12–Case of complainant that the song shown in the promotional trailer of the movie was actually not found in the movie–Consumer complaint–A promotional trailer is unilateral–It is not an offer and neither intends to nor can create a contractual relationship–No possibility of it becoming a promise–The transaction of purchase of movie ticket is not connected to the promotional trailer–Nothing has been brought on record to show that it was an unfair trade practice–There is no deficiency of service–Impugned orders are liable to be set aside.