Hello Vishal Singh Thapa,
Welcome to the Microsoft Q&A and thank you for posting your questions here.
I understand you're having error in streaming bot responses in MS teams without specifying the error or at what stage you get the error.
However, if just to enable streaming in bot responses in MS Teams using Agent SDK. These two links will help you through all the stages: https://github.com/microsoft/teams-ai/blob/main/getting-started/CONCEPTS/STREAMING.md and https://learn.microsoft.com/en-us/microsoftteams/platform/bots/streaming-ux
I hope this is helpful! Do not hesitate to let me know if you have any other questions or clarifications.
Please don't forget to close up the thread here by upvoting and accept it as an answer if it is helpful.