It would appear that the Hindu religious leaders were apprehensive of the growing popularity of the Jains and the Buddhists .this led to the intemperate language and the determined propagandist methods adopted by the leaders of the bakthi movements .through the early Alvars of the 6th century, as the vaishnavite men of the religion called ,were more tolerant, from the 7th century onwards both the Saiva nayanmars and the vaishnava alvars adopted an attitude of stern hostility towards Jainism and Buddhism