Madhvacharya, the proponent of Dvaita Vedanta, believed in the concept of duality or dualism, which states that there are two ultimate and distinct realities - the individual self (jiva) and the supreme being (Brahman). This philosophy of duality also extends to the relationship between different religions and their beliefs.

According to Dvaita Vedanta, all religions and their beliefs are valid and have their place in the world. However, they are seen as different paths leading to the same ultimate reality, which is the supreme being. Madhvacharya believed that just as there are different paths to reach the peak of a mountain, there are different paths to reach the ultimate truth.

Dvaita Vedanta also acknowledges the existence of different deities and spiritual beings in other religions, but they are considered to be subordinate to the supreme being, Brahman. Madhvacharya believed that all these deities are manifestations of the same supreme being and are worshipped by different people in different ways.

This philosophy of duality also extends to the concept of salvation or liberation. Dvaita Vedanta teaches that salvation can only be attained through the grace of the supreme being, and it is not limited to any one religion or belief system. Therefore, according to Madhvacharya, followers of other religions can also attain salvation if they lead a righteous life and have devotion towards the supreme being.

Dvaita Vedanta also respects the diversity of beliefs and practices in different religions. Madhvacharya believed that each religion has its own unique teachings and practices, and it is not necessary for everyone to follow the same path. He emphasized the importance of mutual respect and understanding among followers of different religions.

However, Dvaita Vedanta also holds the belief that the ultimate truth can only be fully understood and realized through the teachings of the Vedas, which are considered to be the ultimate source of knowledge. This may lead to the perception that Dvaita Vedanta considers other religions to be inferior. However, this is not the case. Madhvacharya believed that the Vedas are the most comprehensive and complete source of knowledge, but this does not diminish the value of other religions and their beliefs.

In conclusion, Dvaita Vedanta views other religions and their beliefs with respect and acceptance. It acknowledges the diversity of beliefs and practices and sees them as different paths leading to the same ultimate reality. Madhvacharya's teachings emphasize the importance of mutual respect and understanding among different religions, and he believed that the ultimate truth can be attained through devotion and righteous living, regardless of one's religious affiliation.