If you want to complain about an advertisement you can at the advertising standards council of India, its also know as the ASCI. The advertising standards council of India is a self regulatory voluntary organization of the advertising industry. The ASCI role and functions is to deal with complaints received from consumer and the industry against ads that are false, misleading, and illegal or if it also hurts sentiments of people or religion.
All you have to do is log on to this website www.ascionline.org and fill in the complaint form.