Nearly three years after PepperTap announced it was shutting B2C operations, its Co-founder Navneet Singh has begun work on a new members-only B2B marketplace for small retailers named GramFactory. As per its website, GramFactory is currently serving businesses in Delhi-NCR. Founded in 2014, Sequoia India-backed on-demand grocery startup PepperTap had raised about $51.2 million.