Complex sentence: Kurubas follow Shaivism, lord Shiva in the form of Beeralingeswara (Virayya) is the main deity, But due to the vast spread of the community in different parts of the country they also pray Keshava (Krishna), Venkateshwara (Srinivasa) and Rama.
Split into simpler sentences: Kurubas follow Shaivism, lord Shiva in the form of Beeralingeswara (Virayya) is the main deity. Due to the vast spread of the community in different parts of the country they also pray to Keshava (Krishna), Venkateshwara (Srinivasa) and Rama.