Punjabis well as Majhi (Standard Punjabi) and others like Doabi and Malwi. Some still have managed to retain the Punjabi dialects spoken in Western Punjab, but many have also adopted Hindi. Punjabi Hindus in India use the Gurmukhi or Nāgarī script to write the Punjabi language. Sikhi from "Sikh", meaning a "disciple", or a "learner", is a monotheistic religion and nation originated in the Punjab region of the Indian subcontinent during the 15th century. The fundamental beliefs of Sikhi, articulated in the sacred scripture Guru Granth Sahib, include faith and meditation on the name of the one creator, unity and equality
Adi Shankara ("Bhāṣya"), original philosophical expositions ("Prakaraṇa grantha") and poetry ("Stotra"). However most of these are not authentic works of Adi Shankara and are likely to be works of his admirers or scholars whose name was also Shankaracharya. Piantelli has published a complete list of works attributed to Adi Sankara, along with issues of authenticity for most. Adi Shankara is most known for his systematic reviews and commentaries ("Bhasyas") on ancient Indian texts. Shankara's masterpiece of commentary is the "Brahmasutrabhasya" (literally, commentary on Brahma Sutra), a fundamental text of the Vedanta school of Hinduism. His commentaries on ten Mukhya (principal) Upanishads are