Hi @MANOJ KRISHNAN ,
Welcome to Microsoft Q&A!
Please ensure that you are in a stable network environment.
You can try to repair your VS with Visual Studio Installer > More > Repair.
If you want to install the SSIS and SSRS extensions, please try to directly download and install them using the following links:
Sincerely,
Anna
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment". Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.