In Islam, prayers and supplications are directed exclusively to Allah (God), and there are several fundamental reasons for this:

1. Monotheism (Tawheed): Islam is a monotheistic religion that emphasizes the absolute oneness and uniqueness of Allah. Muslims believe that there is only one God, and He is the sole creator, sustainer, and provider of the universe. Addressing prayers solely to Allah reaffirms this central tenet of Islamic faith.
2. Divine Authority: Allah is the ultimate and supreme authority in Islam. He possesses complete knowledge, power, and control over all matters. Muslims believe that only Allah can grant or answer their prayers and that all things are ultimately under His authority.
3. Avoiding Associating Partners with Allah (Shirk): Islam strongly prohibits associating partners with Allah (shirk), which is the act of attributing divine qualities or powers to anyone or anything other than Allah. Addressing prayers to anyone other than Allah, such as idols, saints, or other beings, is considered an act of shirk and a grave sin in Islam.
4. Direct Relationship: Islam encourages a direct and personal relationship between the individual and Allah. Muslims are taught to turn to Allah directly in times of need, gratitude, or supplication without intermediaries. This direct connection fosters a sense of closeness and dependence on Allah.
5. Clarity and Purity of Worship: Addressing prayers exclusively to Allah ensures the purity and clarity of worship. Muslims believe that Allah alone deserves worship, devotion, and praise. By maintaining this exclusivity, worship remains untainted by polytheism or the involvement of other entities.
6. Consistency with Islamic Doctrine: The Quran, the holy book of Islam, and the teachings of the Prophet Muhammad (peace be upon him) consistently emphasize the worship of Allah alone. Muslims follow these teachings as the central guidance for their faith and practice.
7. Preserving Monotheism: Addressing prayers exclusively to Allah is a safeguard against the corruption of monotheism and the potential for superstition or idolatry to creep into religious practice. It maintains the purity of Islamic belief and practice.

In summary, the exclusive address of prayers to Allah in Islam is rooted in the core principles of monotheism, divine authority, and the avoidance of shirk. It reflects the central belief that Allah alone possesses the power to answer prayers and is the sole recipient of worship, devotion, and supplication in Islam.