How to create a new branch for a previous commit in github

First clone the repo:

malintha@malintha-Dell:~/istimetable$ git clone https://github.com/ghmalithi/istimetable

Cloning into 'istimetable'...

remote: Reusing existing pack: 79, done.

remote: Total 79 (delta 0), reused 0 (delta 0)

Unpacking objects: 100% (79/79), done.

malintha@malintha-Dell:~/istimetable$

Create a branch called ”malib” in the commit id : 41145eadbfeaf111722ede3c10fe857c284

malintha@malintha-Dell:~/istimetable/istimetable$ git branch malib 41145eadbfeaf111722ede3c10fe857c284e47c2

Switch to the branch:

malintha@malintha-Dell:~/istimetable/istimetable$ git checkout malib

Switched to branch 'malib'

malintha@malintha-Dell:~/istimetable/istimetable$

Commit here the changes:

malintha@malintha-Dell:~/istimetable/istimetable$ git add .

malintha@malintha-Dell:~/istimetable/istimetable$ git status

# On branch malib

# Changes to be committed:

# (use "git reset HEAD <file>..." to unstage)

#

# new file: readme.txt

#

malintha@malintha-Dell:~/istimetable/istimetable$ git commit -m "adding to other branch"

[malib e986491] adding to other branch

1 file changed, 1 insertion(+)

create mode 100644 readme.txt

malintha@malintha-Dell:~/istimetable/istimetable$

Push

Use the branch name as newly created branch.

malintha@malintha-Dell:~/istimetable/istimetable$ git push origin malib

Username for 'https://github.com': ghmalithi

Password for 'https://ghmalithi@github.com':

Counting objects: 4, done.

Delta compression using up to 4 threads.

Compressing objects: 100% (2/2), done.

Writing objects: 100% (3/3), 296 bytes, done.

Total 3 (delta 1), reused 0 (delta 0)

To https://github.com/ghmalithi/istimetable

 * [new branch]      malib -> malib

Now goto github url. You will see the new branch is added at the commit you previously specified.