git - How to rollback to a older commit as I have pushed a code? -
    i working on 2 different branches a  , b  , had 1 prod branch master , created new branch c  combining a   , b .   i have accidentally pushed c to master , , not know how go prod state, there many commits in place.   commit 92e15c92d543e436bd5804ab6c9 author: user_a date:   thu sep 22 15:51:47 2016 +0530      fixing user report  commit dfd1f4e0d56f50d263d6e merge: 1a6bc83 f9b0a35 author: user_a date:   thu sep 22 15:47:01 2016 +0530      merge branch 'master' of git_repo_branch b  commit 1a6bc83c55cf1b3d7f88d author: user_a date:   thu sep 22 15:46:46 2016 +0530      fixing user report  commit dd11a998f380c70b579d2a0 author: user_a date:   thu sep 22 13:09:29 2016 +0530      fixing rake task  commit c194f900e58f93b0a06ed author: user_a date:   thu sep 22 13:08:40 2016 +0530      fixing rake task  commit f9b0a35430d29826622d95 author: user_b date:   thu sep 22 11:36:50 2016 +0530      jobs save draft fix  commit 3a1b233b365a96886e2d73 merge: 2eac96c c4f61b1 author: user_a da...