We became rich in green revolution of 65. 1991 liberalization affected industries not agriculture. Second it is Punjabi nature to bounce back. It took us just a generation to acheive that, post independent desperate Punjabis due to over resourcefulness got too much support in India, I sometimes wonder what would have been our condition if we have stayed back
Punjabi food belongs to both sides. Additional drink is Indian punjab thing as far as I know liquor is banned there