1. Nairs: The Nairs are one of the largest and most influential Kshatriya communities in Kerala. They have a rich martial tradition and were historically involved in military service. Nairs are known for their distinctive matrilineal social system known as the Marumakkathayam, where inheritance and property are passed down through the female lineage.
2. Samanthan Nairs: The Samanthan Nairs are a sub-caste within the Nair community. They are often associated with royal families and held significant positions in the kingdoms of erstwhile Kerala.
3. Ambalavasi: The Ambalavasi are another Kshatriya community in Kerala. They are traditionally associated with the service of temples and religious institutions, and they have a strong connection to the martial arts and physical training.
4. Menons: The Menons are a prominent Kshatriya community in Kerala. They are known for their contributions to various fields such as politics, art, literature, and academia. Menons are often associated with the intellectual elite of Kerala society.
5. Kammalans: The Kammalans are a community traditionally involved in metalworking, carpentry, and other skilled craftsmanship. While they are not exclusively Kshatriya, many Kammalans identify with the warrior class.
6. Ezhavas: The Ezhavas are a large community in Kerala, and a section of them identify as Kshatriyas. They have historically faced social discrimination but have made significant progress in recent decades.
7. Thiyyas: The Thiyyas are another community in Kerala with a Kshatriya lineage. They are traditionally associated with various martial arts and physical training.
8. Vellalas: The Vellalas are a community primarily associated with agriculture and landownership. While they are not exclusively Kshatriya, some subgroups within the Vellala community claim Kshatriya ancestry.
It's important to note that social classifications can vary and may differ from region to region. The list provided here is based on general understanding and may not be exhaustive.