Budha Nullah or Budha Nala (Punjabi: ਬੁੱਢਾ ਨਾਲ਼ਾ) is a seasonal water stream, which runs through the Malwa region of Punjab, India, and after passing through highly populated Ludhiana district, Punjab, India, it drains into Sutlej River, a tributary of the Indus river. Today it has also become a major source of pollution in the region as well the main Sutlej river, as it get polluted after entering the highly populated and industrialized Ludhiana city, turning it into an open drain. Also, since large area in south-western Punjab solely depend on the canal water for irrigation, and water from Buddha Nullah enters various canals after Harike waterworks near Firozpur, thus affecting far-reaching areas such as Malout, Zira, upper Lambi, while the areas being fed by Sirhind feeder, are the most