Hi @Khan, Touheed ,
Welcome to Microsoft Q&A platform and thanks for your query. Unfortunately the Timeout value inside General tab of Azure Data Factory's Pipeline cannot be parameterized.
I would recommend you to please log a feature request by sharing your feedback in ADF user voice channel: https://feedback.azure.com/forums/270578-azure-data-factory
All the feedback shared in this user voice channel are actively monitored and reviewed by ADF engineering team. Please do share the feedback link here once it created, so that other users can up-vote and/or comment on your idea/suggestion which would help to increase the priority of feature implementation.
Hope this info helps. Please do let us know if you have further query.
Please do consider to click on "Accept Answer" and "Upvote" on the post that helps you, as it can be beneficial to other community members.