The origins of the caste system in India and Nepal are shrouded, but it seems to have originated more than two thousand years ago. Under this system, which is associated with Hinduism, people were categorized by their occupations.
Languages of Pakistan. Pakistan's national language is Urdu, which, along with English, is also the official language. In 2015, the government of Pakistan announced plans to make Urdu the sole official language and abolish English as the second official language. The country is also home to several regional languages, including Punjabi, Saraiki, Pashto, Sindhi, Balochi, Kashmiri, Hindko, Brahui, Shina, Balti, Khowar, Dhatki, Marwari, Wakhi and Burushaski.
The most popular language in Pakistan is Punjabi, a language in which 88 percent of the population speaks. Second is the language Saraiki, which is spoken by 10 percent of the population; and coming in third is the language Pashto, spoken by 15 percent of the population.