India is proving to be a player in advancing the exploration of the use of blockchain tech. The government has created a center of excellence, announced a strategic framework, and there are several proofs of concept of citizen services that are at a decent scale (as is everything in India).
Read here about some examples of what they are exploring.
. . . the Indian government has already built the Distributed Centre of Excellence in Blockchain Technology, a project that develops and conducts research on blockchain technologies and their use cases.