Answer : 3. "West Bengal"
Explanation :

Solution: ITC Limited launches ITCMAARS (MetaMarket for Advanced Agriculture and Rural Services) app and “phygital” ecosystem in West Bengal. The app and ecosystem aims to bring the benefits of digital technology to farmers in the state. ITCMAARS is a “phygital” ecosystem, connecting physical and digital interventions. The app and ecosystem provides farmers with a range of agricultural solutions including advanced crop advisory services, market access and financial services.