National Health Authority to help in CoWIN global rollout SECTIONS Share Synopsis The government has open-sourced the CoWIN platform and will provide certification to the companies for the rollout, RS Sharma, chief executive of the National Health Authority (NHA), told ET. ETtech TCS), Deloitte, KPMG, PwC, NSDL e-Governance Infrastructure and Trigyn Technologies have expressed interest in rolling out India's vaccination platform Co-Win in other countries, a top government official said. Last month, the government organized a global conclave where foreign countries had expressed interest in adapting Co-Win to vaccinate their citizens. About 50 countries, including Canada and Mexico, are reportedly interested in the platform.