Everywhere you will found racism just depends the magnitude of exposure.

In Hindu culture, The Nobalman with full of knowledge of Sanskrit , misinterpreted Veds and twisted the nurm of Barna.

They divided people with cast and protrait them as the highest rank in the society, Since then the racism started in Hindu society.

बल हुनेले निर्धा माथि
धनीले गरिब माथि
सिक्षित ले असिक्षित माथि
ब्राम्हण छेत्रीले अरु जाति माथि
गोरेले काले माथि
सियाले सुन्नी माथि
पुरुसले नारि माथि
कृष्णले अर्जुन माथि ( गीता , it is him and the war him, I man the LOGIC )