Dear Vijaya Kittu Manda,

Find below the useful list of sites and applications:

Blockchain Use Cases and Their Feasibility

https://www.researchgate.net/publication/325534791_Blockchain_Use_Cases_and_Their_Feasibility

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Blockchain: four use cases transforming business

https://www.ibm.com/blogs/internet-of-things/iot-blockchain-use-cases/

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34 Blockchain Applications and Real-World Use Cases Disrupting the Status Quo

https://builtin.com/blockchain/blockchain-applications

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Blockchain Use Cases and Applications by Industry

https://consensys.net/blockchain-use-cases/

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Few inputs from my side Sir,

https://stlpartners.com/articles/digital-health/5-blockchain-healthcare-use-cases/

https://ses.jrc.ec.europa.eu/node/31972

Dear Vijay,

You may find this useful

Zīle, K., & Strazdiņa, R. (2018). Blockchain use cases and their feasibility. Applied Computer Systems, 23(1), 12-20.