Ludhiana in India is the largest city of Punjab. It is a major industrial center of northern India. Famous for its hosiery and bicycle industry, Ludhiana is also sometimes called the "Manchester of India". Hero Cycles Industry is the largest producer of bicycles in the world. Avon Cycles also produces a substantial number of bicycles. Ludhiana is also home to largest agricultural university in India, Punjab Agricultural University . Ludhiana also has major medical institutions like the Christian Medical College and Dayanand Medical College.

Punjab Argicultural University is world famous for the excellent work done over years. The honor of bringing highest argricultural output per sq.m in Punjab goes to P.A.U.