Big Bazaar is an Indian retail chain founded by Kishore Biyani with 250 stores across 80 cities. It has undertaken various marketing campaigns on social media platforms like Facebook, focusing on festivals like Diwali and Republic Day to boost sales. Big Bazaar has managed online to offline conversions through mobile coupons and recorded its highest ever sale on January 26th. The document also discusses Big Bazaar's competitors like Reliance Retail and Lulu Group as well as their social media presence and search engine optimization and marketing strategies.