Hi Sarada,
I am still confused about the caste system because I have heard it is Hereditary and it is part of the Religion. I have read in this site about it:
Hindu Caste System
[PIE]How the Caste System was Enforced
The caste system was enforced with the help of law books such as Manusmriti and the support of kings who considered themselves as upholders of dharma. The force of tradition, superstition, religious beliefs, fear of punishment also played an important role in its success. Some of these factors are explained in detail.
Heredity. The caste system was based on birth. People inherited caste from their parents and passed it on to their children. Individuals had no right to change their caste as long as they practiced the vedic religion. But they could be excommunicated from the caste by the kings or the local administrators or village heads in case of serious transgression. In case of inter caste marriages which were rare, children inherited the castes of their fathers.
Caste Rules. The caste rules were enforced strictly through the fear of political and religious authority. The success of the system depended upon the performance of duties prescribed for each caste. The rules varied from caste to caste. People of higher castes enjoyed privileges but were also expected to be good role models. For a Brahmin study of the Vedas, practice of rituals and leading a pure and austere life were a must. Otherwise he was considered to be equal to a sudra in the eyes of his fellow caste members. 1 Women were expected to assist their husbands in observing the caste rules. Purification ceremonies, fines and minor punishments were prescribed to annul the negative effect of violating caste rules.
Marriage. The caste system prohibited marriages outside one's caste to avoid inter mixture of the castes (varna samkaram), which was considered to be a sign of decline of dharma and the very reason why the caste system was devised. The law books allowed certain types of inter-caste marriages as an exception rather than rule. Marriages between a higher caste men and lower caste women were less objectionable than Marriages between sudra males and higher caste females and marriages between men of upper castes and sudra women. 2
Preferential treatment: The three upper castes enjoyed distinct advantages in society compared to the sudras whose job was to serve the three upper castes and live like fourth class citizens.3 People born in the three upper castes were given initiation into the study of the Vedas and treated as twice born, while sudras were not allowed to study or even hear the Vedas. They were treated on par with animals and considered once borne. The brahmins enjoyed the highest status and privileges followed by the kshatriyas, the vaisyas and the sudras in the same order. The laws were discriminatory in matters of rewards and punishments. The prescribed lighter punishments for higher castes than the lower castes who had technically little recourse against the former in criminal cases. For the same committed, a lower caste person might attract physical torture, slavery or death penalty while a higher caste person might get away with a simple fine or chastisement or purification ceremony. The lower caste persons were also not allowed to act as witnesses or sit in judgment against higher castes.
Royal Support: The caste system was preserved and enforced mostly through royal support. The relationship between the priestly class and the warrior class was one of convenience. The kings took upon themselves the tasks of protecting the caste system and preventing caste intermixture while the priests performed sacrificial ceremonies and purifications ceremonies seeking the welfare of the king and a place for him in heavens. The scriptures proclaimed the king as a god in human form and protector and preserver of castes and caste order 4. The very notion of punishment was a created by God and given to the kings upon earth to help them destroy evil and keep men on the path of dharma 5. The scriptures suggested that a king should start his day by worshipping three Brahmins on waking up and follow their advice with humility and modesty. He should also appoint a Brahman to the position of a chief minister with and deliberate with him on the most important affairs concerning royal policy.
Footnotes
1. A twice-born man who knowingly eats mushrooms, a village-pig, garlic, a village-cock, onions, or leeks, will become an outcast. (5:14)
A Brahmana who neither performs austerities nor studies the Veda, yet delights in accepting gifts, sinks with the (donor into hell), just as (he who attempts to cross over in) a boat made of stone (is submerged) in the water. (4.190)
2. A Brahmana who takes a Sudra wife to his bed, will (after death) sink into hell; if he begets a child by her, he will lose the rank of a Brahmana. (Manusmriti: Ch3:17)
3. Let (the first part of) a Brahmana's name (denote something) auspicious, a Kshatriya's be connected with power, and a Vaisya's with wealth, but a Sudra's (express something) contemptible. (Manusmriti: Ch2:31)
4. Manusmriti Chapter 7:35
5. Manusmriti Chapter 7:14
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Also I have read here:
http://www.thenagain.info/Classes/Sources/RigVeda.html
[PIE]From that great general sacrifice, Richas and Samahymns [13] were born:
Therefrom the metres were produced, the Yajus [14] had its birth from it.
From it were horses born, from it all creatures with two rows of teeth:
From it were generated kine, from it the goats and sheep were born.
When they divided Purusha how many portions did they make?
What do they call his mouth, his arms? What do they call his thighs and feet?
The Brahmin [15] was his mouth, of both his arms was the Rajanya [16] made.
His thighs became the Vaisya [17], from his feet the Sudra [18] was produced.
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We see that for example the Brahmin come from the mouth and we can deduce that it is not something one acquires but is gifted with. Therefore it is rational to assume that it is inherent and not a status to be achieved through actions etc.
I get the impression that the caste system is part of Hinduism and is hereditary, but It is becoming less and less important as people move away from Hinduism and their religion in general and start to embrace the influence of the west.
Forgive me if I have misunderstood or have missed something and thanks in advance for clarifying this for me.