Client for Git supporting proxy connection settings - similar to sourcetree

In my university I connect to internet using password authenticated proxy network.
And normal git command to clone a repo

git clone <git url> <repoName>

is not working.
Mentioning connection time out. So is there any client analogous to sourcetree which supports proxy connections.

Depends what is in your URL.
Depending on the protocol declared in your URL (eg http://) there are various solutions.

Here is the page for configuring proxies

On this page for instance, in my http example you’ll see that the help says you can define a git global proxy configuration.

Other common protocols which might be used are ssh and git, and those would require a different solution (on that page).