It is Punjabis aloneon both sides before,in and after 1947) who;
Faced invaders for milleniums.
Who kept united/greater and today's India intact and unaffected.
Who lost hundreds of thousands of their nearest and dearest to give you India and Pakistan.
Motherland of who was partitioned.
Who had to accept people of different cultures and ways of life like east indians, south indians, north indians, sindhis, baluch etc as their compatriots.
Who had to work hard feed their above compatriots.
Who are still maintainig power balance on both sides.