Your anguish is justified but true Vedic religion believes in universal brotherhood and does not give any sanctity to birth-based caste system. It had been proven beyond doubt by Maharishi Dayanand in early 19th century. Unfortunately, history books contain only one paragraph about Great Maharishi. Lot of people from Aryasamaj movement ( Baba Ramdev, Swami Agnivesh) are trying to clean evils from Hindu faith like idolatory, caste system and supersitions. Believe me Vedic faith is a great faith that teaches us universal brotherhood that transcends national boundaries. Please familarizwe with Aryasamaj movement through following links: