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.
Urdu is the national language of Pakistan but has its origins in UP in India. Urdu is a minority language in India and spoken mostly by Muslims especially those from UP, Bihar. Punjabis, Sindhis are found in both India and Pakistan but in India they are a really small percentage.