How does the RSS succeed where Hindus are a minority? What does Hindutva knowledge production look like in the largely Christian Northeast? Arkotong Longkumer spends time with people from the Rashtriya Swayamsevak Sangh and its affiliates in the region to understand their operations. Going beyond the organization’s programmatic ideological stance, he brings to life a wide cast of characters, their relationships and their stories. The Greater India Experiment is a forensic examination of Hindutva’s effort to forge a singular identity among the diverse peoples of Northeast India.