Sikhism is a religion.
Guru Granth Sahib ( Punjabi ( Gurmukhi ) : ਗੁਰੂ ਗ੍ਰ ਥ ਸਾਹਿਬ ਜੀ ( Gurū Gra ° th Sāhib Jī ) , [ ɡʊɾu ɡɾəntʰ sɑhɪb ] , [ ' ɡʊəru : _ ɡrʌnt_səˈhɪb ] ) is the central religious scripture of Sikhism , regarded by Sikhs as the final , sovereign and eternal living Guru following the lineage of the ten human Gurus of the religion , of whom six contributed the bulk . The Sikh gurus , referred to as the strong and powerful , are credited with establishing Sikhism , which started as a minor religion , but developed into a prominent religion over centuries . Sikhism . It is one of the youngest of the major world religions . Sikhism is based on the spiritual teachings of Guru Nanak , the first Guru , and the ten successive Sikh gurus .