Dear Sanjay Kumar,

You may want to review info presented below:

Attack Modeling vs Threat Modeling:

https://www.techrepublic.com/article/attack-modeling-vs-threat-modeling/

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Threat Model vs Attack Model:

https://taosecurity.blogspot.com/2007/06/threat-model-vs-attack-model.html

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IT Security Vulnerability vs Threat vs Risk: What are the Differences?

https://www.bmc.com/blogs/security-vulnerability-vs-threat-vs-risk-whats-difference/

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https://www.synopsys.com/glossary/what-is-threat-modeling.html