happy gurpurab, guru nanak jayanti festival of sikh celebration background

akhand path amrit vela guru granth sahib nanak jayanti gurpurab kartik poornima prabhat pheris prakash utsav belief blessing culture gurdwara gurpurb gurmukhi happy illustration man legend indian november editable nagarkirtan punjabi dev religion shahmukhi sikhism spiritual sikh tradition religious purnima india turban vector punjab holiday birthday ceremony warrior celebration saint founder worship